Unnamed: 0 int64 0 756 | Текст запроса stringlengths 27 605 | Контекст stringclasses 4
values | Ответ stringlengths 19 1.61k |
|---|---|---|---|
500 | Для работников, которые выдали количество экземпляров, превышающее среднее количество выданных экземпляров, вывести ФИО работника, кол-во выданных им экземпляров книг(number_of_books) и список идентификаторов экземпляров в одну строчку, через запятую, по убыванию. Использовать INNER JOIN и функцию GROUP_CONCAT(DISTINCT X ORDER BY X ASC/DESC SEPARATOR ', '). |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, b AS number_of_books
, books
FROM (SELECT
full_name
, COUNT(instance_id) AS b
, GROUP_CONCAT(DISTINCT instance_id ORDER BY instance_id DESC SEPARATOR ', ') AS books
FROM workers AS w INNER JOIN take_book AS t ON w.worker_id = t.worker_id
GROUP BY t.worker_id) AS c
WHERE b >= ALL(SELECT AVG(b) FROM (SELECT
worker_id
, COUNT(worker_id) AS b
FROM take_book
GROUP BY worker_id) AS c1);
|
501 | Вывести ФИО(full_name), должность(position) работников библиотеки, которые ни разу не регистрировали новых читателей. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, position
FROM workers AS w LEFT JOIN reader_reg AS r
ON w.worker_id = r.worker_id
WHERE r.worker_id IS NULL;
|
502 | Посчитать количество экземпляров каждой книги издательства ‘Лань’, в запросе использовать RIGHT JOIN. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, COUNT(instance_id)
FROM instances RIGHT JOIN books ON instances.book_id = books.book_id WHERE publisher = 'Лань' GROUP BY name;
|
503 | Посчитать сколько раз брал книги каждый студент группы M0010. В запросе использовать соединение RIGHT JOIN. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name_r
, COUNT(take_book.reader_id)
FROM take_book RIGHT JOIN readers ON take_book.reader_id = readers.reader_id WHERE reader_groups = 'M0010' GROUP BY full_name_r;
|
504 | Вывести для каждого читального зала: название зала, количество взятых в этом зале экземпляров книг, количество работников, которые выдавали книги в этом зале и количество авторов, размещенных в зале. Назвать соответствующие столбцы следующим образом: 'Количество экземпляров', 'Количество работников', 'Количество авторов'. Выдача книг должна осуществляется с 2019-01-01 и не должна касаться списанных книг. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
reading_rooms.name
, COUNT(DISTINCT take_book.instance_id) AS "Количество экземпляров"
, COUNT(DISTINCT take_book.worker_id) AS "Количество работников"
, COUNT(DISTINCT author) AS "Количество авторов"
FROM
reading_rooms
LEFT JOIN
take_book ON reading_rooms.hall_number = take_book.hall_number
LEFT JOIN
instances USING (instance_id)
LEFT JOIN
books USING (book_id)
WHERE
status = 'Удовлетворительно' AND fixing_date > '2019-01-01'
GROUP BY
reading_rooms.hall_number;
|
505 | Вывести ФИО, идентификатор и образование работников, которые ни разу не регистрировали новых читателей, но хоть раз выдывали книги в жанре роман. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, workers.worker_id
, education
FROM
workers
LEFT OUTER JOIN
reader_reg ON workers.worker_id = reader_reg.worker_id
LEFT JOIN (
SELECT DISTINCT t.worker_id
FROM
take_book AS t
JOIN
instances ON t.instance_id = instances.instance_id
JOIN
books USING (book_id)
WHERE
genre = 'роман'
) AS filtered_workers ON workers.worker_id = filtered_workers.worker_id
WHERE
reader_reg.worker_id IS NULL
AND filtered_workers.worker_id IS NOT NULL
GROUP BY
workers.worker_id;
|
506 | Вывести для каждого работника в колонки: 'Регистрация читателей', 'Выдача книг', 'Регистрация экземпляров', сколько раз он проделывал каждую из этих работ. Если работник такой работы не делал – вывести 0 (можно использовать COALESCE). |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
workers.full_name
, COALESCE(count_1, 0) AS 'Регистрация читателей'
, COALESCE(count_2, 0) AS 'Выдача книг'
, COALESCE(count_3, 0) AS 'Регистрация экземпляров'
FROM
workers
LEFT JOIN
(SELECT
worker_id
, COUNT(worker_id) AS count_1
FROM reader_reg GROUP BY worker_id) AS temp_1
ON
workers.worker_id = temp_1.worker_id
LEFT JOIN
(SELECT
worker_id
, COUNT(worker_id) AS count_2
FROM take_book GROUP BY worker_id) AS temp_2
ON
workers.worker_id = temp_2.worker_id
LEFT JOIN
(SELECT
worker_id
, COUNT(worker_id) AS count_3
FROM instances GROUP BY worker_id) AS temp_3
ON
workers.worker_id = temp_3.worker_id;
|
507 | Вынести столбцы с названиями 'name', 'occupation'. В 'name' будут хранится ФИО работающих преподавателей и ФИО работников с высшим образованием. В 'occupation' будут хранится значения должностей соответствующих работников и вида занятости преподавателей. Использовать объединение запросов. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name_r AS name
, occupation
FROM readers WHERE reader_status = 'работает'
UNION DISTINCT
SELECT
full_name
, position
FROM workers WHERE education = 'высшее';
|
508 | Посчитать, сколько раз читатели брали книги с собой или в зал. Вывести 'количество выдачи' и 'тип' со значениями: в зал, с собой. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
COUNT(*) AS 'количество выдачи'
, 'в зал' AS 'тип'
FROM take_book
WHERE fixing_date = f_return_date
UNION DISTINCT
SELECT
COUNT(*)
, 'с собой'
FROM take_book
WHERE fixing_date <> f_return_date;
|
509 | Вывести полные имена(full_name), образование(education) работников и дату регистрации(date_reg) для работников, которые регистрировали экземпляры книг или читателей в период времени от 2019-08-01 до 2020-02-01. Использовать UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| (SELECT
full_name
, education
, date_reg
FROM workers, instances
WHERE instances.worker_id = workers.worker_id AND date_reg BETWEEN '2019-08-01' AND '2020-02-01')
UNION DISTINCT
(SELECT
full_name
, education
, date_reg
FROM workers, reader_reg
WHERE reader_reg.worker_id = workers.worker_id AND date_reg BETWEEN '2019-08-01' AND '2020-02-01');
|
510 | Вывести полные имена(full_name), должность(position) работников. Работники, которые регистрировали экземпляры книг в период времени от 2012-01-01 до 2015-01-01 или выдавали книги в период времени от 2019-01-01 до 2020-01-01. Использовать UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| (SELECT
full_name
, position
FROM workers, instances
WHERE instances.worker_id = workers.worker_id AND date_reg BETWEEN '2012-01-01' AND '2015-01-01')
UNION DISTINCT
(SELECT
full_name
, position
FROM workers, take_book
WHERE take_book.worker_id = workers.worker_id AND fixing_date BETWEEN '2019-01-01' AND '2020-01-01');
|
511 | Посчитать, сколько книг выдал каждый работник в период с '2019-10-05' по '2020-05-05', если работник не выдал ни одной книги за этот период – вывести 0. Использовать UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, COUNT(take_book.worker_id)
FROM take_book, workers WHERE take_book.worker_id = workers.worker_id AND fixing_date BETWEEN '2019-10-05' AND '2020-05-05' GROUP BY take_book.worker_id
UNION DISTINCT
SELECT
full_name
, 0
FROM workers WHERE worker_id NOT IN (SELECT worker_id FROM take_book WHERE fixing_date BETWEEN '2019-10-05' AND '2020-05-05');
|
512 | Вывести информацию о том, сколько книг выдал каждый сотрудник в период с '2019-06-10' по '2019-12-05'. Если сотрудник в этот период не выдал ни одной книги, вывести 0. Информацию вывести в следующем порядке: ФИО, должность и количество выданных книг. В запросе использовать объединение запросов UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, position
, COUNT(take_book.worker_id)
FROM take_book, workers
WHERE take_book.worker_id = workers.worker_id
AND fixing_date BETWEEN '2019-06-10' AND '2019-12-05'
GROUP BY take_book.worker_id
UNION DISTINCT
SELECT
full_name
, position
, 0
FROM workers
WHERE worker_id NOT IN (SELECT worker_id FROM take_book WHERE fixing_date BETWEEN '2019-06-10' AND '2019-12-05');
|
513 | Посчитать, сколько книг выдал каждый работник в период с '2019-12-01' по '2020-04-05', если работник не выдал ни одной книги за этот период – вывести 0. Вывести ФИО(full_name), опыт работы(work_experience) и сколько работник выдал книг. Вывести только тех работников, которые выдали 6 или меньше книг, упорядочить данные по убыванию количества выданных книг. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, work_experience
, a
FROM (
SELECT
full_name
, work_experience
, COUNT(take_book.worker_id) AS a
FROM take_book, workers
WHERE take_book.worker_id = workers.worker_id
AND fixing_date BETWEEN '2019-12-01' AND '2020-04-05'
GROUP BY take_book.worker_id
HAVING COUNT(take_book.worker_id) <= 6
UNION DISTINCT
SELECT
full_name
, work_experience
, 0
FROM workers
WHERE worker_id NOT IN (
SELECT worker_id FROM take_book WHERE fixing_date BETWEEN '2019-12-01' AND '2020-04-05'
)
) AS s
ORDER BY a DESC;
|
514 | Для всех не списанных книг отечественного и иностранного производителя вывести число раз, когда книгу брали преподаватели. Считать только не списанные экземпляры. Вывести название книги, тип издания и сколько раз книга выдавалась преподавателям. Учесть нулевые значения. Упорядочить данные по убыванию количества раз выдачи книг. В запросе использовать INNER JOIN, UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, pub_type
, SUM(number_of_times) AS number_of_times
FROM (
SELECT
book_id
, name
, pub_type
, COUNT(readers.reader_id) AS number_of_times
FROM readers
INNER JOIN take_book ON readers.reader_id = take_book.reader_id
INNER JOIN instances USING (instance_id)
INNER JOIN books USING (book_id)
WHERE
occupation = 'преподаватель'
AND write_off_date IS NULL
AND pub_type IN ('иностранное', 'отечественное')
GROUP BY book_id
UNION DISTINCT
SELECT
book_id
, name
, pub_type
, 0 AS number_of_times
FROM books
) AS a
GROUP BY book_id, name, pub_type
ORDER BY number_of_times DESC;
|
515 | Вывести из таблиц reading_rooms, take_book названия читальных залов, их идентификаторы и столбец под названием 'number of visits' с максимальным и минимальным значениям количества посещений. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, t.hall_number
, COUNT(reader_id) AS 'number of visits'
FROM take_book AS t, reading_rooms AS r
WHERE t.hall_number = r.hall_number GROUP BY hall_number HAVING COUNT(reader_id) = (
SELECT MAX(a) FROM (
SELECT
hall_number
, COUNT(*) AS a
FROM take_book GROUP BY hall_number
)
AS a)
UNION DISTINCT
SELECT
name
, t.hall_number
, COUNT(reader_id) AS 'number of visits'
FROM take_book AS t, reading_rooms AS r
WHERE t.hall_number = r.hall_number GROUP BY hall_number HAVING COUNT(reader_id) = (
SELECT MIN(a) FROM (
SELECT
hall_number
, COUNT(*) AS a
FROM take_book GROUP BY hall_number
)
AS b);
|
516 | Для каждого зала найти, сколько книг каждого жанра было взято в соответствующем зале, если таких книг не было – вывести 0, в запросе использовать UNION. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
reading_rooms.name
, genre
, COUNT(reading_rooms.hall_number)
FROM reading_rooms, take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND instances.book_id = books.book_id AND reading_rooms.hall_number = take_book.hall_number GROUP BY reading_rooms.name, genre
UNION DISTINCT
SELECT
temp_1.name
, temp_1.genre
, 0
FROM (SELECT DISTINCT
reading_rooms.name
, genre
FROM reading_rooms, books) AS temp_1 LEFT JOIN (SELECT
reading_rooms.name
, genre
, COUNT(reading_rooms.hall_number)
FROM reading_rooms, take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND instances.book_id = books.book_id AND reading_rooms.hall_number = take_book.hall_number GROUP BY reading_rooms.name, genre) AS temp_2 ON temp_1.name = temp_2.name AND temp_1.genre = temp_2.genre WHERE temp_2.name IS null;
|
517 | Вывести всю информацию о читателях, которые хоть раз брали книгу. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT * FROM readers AS r
WHERE EXISTS (
SELECT * FROM take_book AS t WHERE r.reader_id = t.reader_id
);
|
518 | Вывести названия читальных залов, в которых брали больше семи книг. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT DISTINCT reading_rooms.name
FROM
reading_rooms
WHERE
EXISTS (
SELECT 1
FROM take_book
WHERE take_book.hall_number = reading_rooms.hall_number
GROUP BY hall_number
HAVING COUNT(hall_number) > 7
);
|
519 | Вывести всю информацию о книгах, которые ни разу не брали. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT * FROM books AS b
WHERE NOT EXISTS (
SELECT i.book_id
FROM take_book AS t, instances AS i
WHERE i.instance_id = t.instance_id AND i.book_id = b.book_id
GROUP BY i.book_id
);
|
520 | Вывести всю информацию о читальном зале, в котором брали книги 10 или больше раз. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT * FROM reading_rooms AS r
WHERE EXISTS (
SELECT hall_number
FROM take_book AS t
WHERE t.hall_number = r.hall_number
GROUP BY hall_number
HAVING COUNT(*) >= 10
);
|
521 | Вывести неповторяющиеся ФИО и дату регистрации работающих(reader_status='работает') читателей, которые ни разу не имели штраф за книгу с момента регистрации. Упорядочить данные в алфавитном порядке. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT DISTINCT
full_name_r
, date_reg
FROM readers, reader_reg WHERE readers.reader_id = reader_reg.reader_id
AND readers.reader_status = 'работает'
AND NOT EXISTS (
SELECT 1
FROM take_book
WHERE take_book.reader_id = readers.reader_id
AND take_book.fine > 0
)
ORDER BY full_name_r ASC;
|
522 | Вывести полные имена читателей, которые никогда не брали учебную литературу, упорядочить имена в алфавитном порядке. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT full_name_r FROM readers WHERE NOT EXISTS (SELECT DISTINCT reader_id FROM take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND books.book_id = instances.book_id AND readers.reader_id = reader_id AND category = 'учебное') ORDER BY full_name_r;
|
523 | Вывести названия читальных залов, в которых расположены книги, имеющие больше одного автора (в подобном случае ФИО авторов перечислены через запятую, можно использовать LOCATE). Соответсвующие книги должны быть взяты читателями больше одного раза. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT name FROM reading_rooms WHERE EXISTS (SELECT hall_number FROM take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND books.book_id = instances.book_id AND LOCATE(',', author) <> 0 AND hall_number = reading_rooms.hall_number GROUP BY hall_number HAVING COUNT(hall_number) > 1);
|
524 | Вывести названия и тип читальных залов, в которых выдавались книги под авторством Козлова Э.В., выпущенные издательством Физматлит. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, species
FROM reading_rooms
WHERE EXISTS (SELECT hall_number
FROM take_book, instances, books
WHERE take_book.instance_id = instances.instance_id
AND books.book_id = instances.book_id
AND publisher = 'Физматлит'
AND author LIKE '%Козлов Э.В.%'
AND reading_rooms.hall_number = take_book.hall_number
GROUP BY hall_number
);
|
525 | Вывести всю информацию о работнике, который в период с '2020-03-01' по '2020-04-01' выдал 4 или больше книг. Использовать предикат EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT * FROM workers AS w
WHERE EXISTS
(SELECT
worker_id
, COUNT(*)
FROM take_book AS t
WHERE fixing_date BETWEEN '2020-03-01' AND '2020-04-01' AND w.worker_id = t.worker_id
GROUP BY worker_id
HAVING COUNT(*) >= 4);
|
526 | Вывести всю информацию о работниках, которые ни разу не регистрировали читателей или экземпляры книг. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT * FROM workers AS w
WHERE NOT EXISTS (
SELECT worker_id FROM (
SELECT DISTINCT worker_id FROM take_book
UNION DISTINCT
SELECT DISTINCT worker_id FROM instances
)
AS a WHERE a.worker_id = w.worker_id
);
|
527 | Вывести идентификатор, названия и тип читальных залов, в которых выдавалось 5 или больше книг с собой. Выбрать не списанные книги отечественного издания. Использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
hall_number
, name
, species
FROM reading_rooms
WHERE EXISTS (SELECT hall_number
FROM take_book, instances, books
WHERE take_book.instance_id = instances.instance_id
AND books.book_id = instances.book_id
AND fixing_date <> f_return_date
AND pub_type = 'отечественное'
AND write_off_date IS null
AND reading_rooms.hall_number = take_book.hall_number
GROUP BY hall_number
HAVING COUNT(hall_number) >= 5
);
|
528 | Вывести полные имена и вид занятости читателей, читательские билеты которых оформляла Лыткина Елена Вадимовна и которые хоть раз брали учебное пособие. В запросе использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name_r
, occupation
FROM readers WHERE EXISTS (SELECT reader_id FROM reader_reg WHERE worker_id IN (SELECT worker_id FROM workers WHERE full_name = 'Лыткина Елена Вадимовна') AND reader_id = readers.reader_id) AND EXISTS (SELECT reader_id FROM take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND books.book_id = instances.book_id AND genre = 'учебное пособие' AND reader_id = readers.reader_id GROUP BY reader_id);
|
529 | Вывести полные имена сотрудников, которые оформили больше всего книг художественной литературы и которые ни разу не выдавали книгу читателю. В запросе использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT full_name
FROM workers
WHERE NOT EXISTS (
SELECT 1
FROM take_book
WHERE take_book.worker_id = workers.worker_id
)
AND workers.worker_id IN (
SELECT instances.worker_id
FROM instances
WHERE EXISTS (
SELECT 1
FROM books
WHERE category = 'литературно-художестенное'
AND books.book_id = instances.book_id
)
GROUP BY instances.worker_id
HAVING COUNT(worker_id) = (
SELECT MAX(inst)
FROM (
SELECT COUNT(instances.worker_id) AS inst
FROM instances
WHERE EXISTS (
SELECT 1
FROM books
WHERE category = 'литературно-художестенное'
AND books.book_id = instances.book_id
)
GROUP BY instances.worker_id
) AS temp
)
);
|
530 | Вывести полные имена и вид занятости, статус и телефон читателей, читательские билеты которых оформляла Ларионова Лилия Львовна и которые хоть раз брали монографию. В запросе использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name_r
, occupation
, reader_status
, phone
FROM readers
WHERE EXISTS (SELECT reader_id
FROM reader_reg
WHERE worker_id IN (SELECT worker_id
FROM workers
WHERE full_name = 'Ларионова Лилия Львовна')
AND reader_id = readers.reader_id)
AND EXISTS (SELECT reader_id
FROM take_book, instances, books
WHERE take_book.instance_id = instances.instance_id
AND books.book_id = instances.book_id
AND genre = 'монография'
AND reader_id = readers.reader_id
GROUP BY reader_id);
|
531 | Вывести полные имена и должность сотрудников, которые оформили больше всего книг учебной литературы и которые ни разу не оформляли чит. билеты новым читателям. В запросе использовать EXISTS. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, position
FROM workers LEFT JOIN reader_reg
ON workers.worker_id = reader_reg.worker_id
WHERE reader_reg.worker_id IS null
AND workers.worker_id IN (SELECT worker_id
FROM instances
WHERE EXISTS (SELECT book_id
FROM books
WHERE category = 'учебное'
AND book_id = instances.book_id)
GROUP BY instances.worker_id
HAVING COUNT(worker_id) = (SELECT MAX(inst)
FROM (SELECT COUNT(instances.worker_id) AS inst
FROM instances WHERE EXISTS (SELECT book_id
FROM books WHERE category = 'учебное'
AND book_id = instances.book_id)
GROUP BY instances.worker_id)
AS temp
)
);
|
532 | Посчитать количество книг по жанрам. Вывести жанр и столбец со значениями 'Достаточно' или 'Недостаточно'. Если количество книг определенного жанра меньше 3, то вывести значение 'Недостаточно', в противоположном случае вывести значение 'Достаточно'. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
genre
, IF(COUNT(book_id) >= 3, 'Достаточно', 'Недостаточно ')
FROM books GROUP BY genre;
|
533 | Вывести названия, авторов книг и значение ‘Old’ или ‘New’. Если книга выпущена после 2018 года, то вывести значение ‘New’, в противном случае – ‘Old’. Названия книг вывести в алфавитном порядке. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, author
, IF(pub_year > 2018, 'New', 'Old') AS status
FROM books ORDER BY name;
|
534 | Для каждого взятого экземпляра книги вывести дату закрепления читателем книги и значение ‘Возвращена’, если читатель уже вернул соответствующую книгу, или ‘Не возвращена’, если книга еще находится у читателя. Идентификаторы экземпляров вывести в порядке возрастания. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
instance_id
, fixing_date
, IF(return_date IS NOT null, 'Возвращена', 'Не возвращена') AS status
FROM take_book ORDER BY instance_id;
|
535 | Вывести название читального зала, вместимость со значениями 'Малый', если вместимость меньше или равна 40; 'Средний', если вместимость больше 40, но меньше 60; 'Большой', если вместимость больше или равна 60. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, CASE
WHEN capacity >= 60
THEN 'Большой'
WHEN capacity > 40 AND capacity < 60
THEN 'Средний'
WHEN capacity <= 40
THEN 'Малый'
END AS capacity
FROM reading_rooms;
|
536 | Для каждого работника вывести его полное имя и стаж со значением 'Более 10 лет', если стаж работника больше 10 лет, 'От 5 до 10 лет' – стаж работника имеет значение от 5 до 10 лет, 'Менее 5 лет'– стаж работника меньше 5 лет, соответствующую колонку назвать 'Стаж'. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, CASE
WHEN work_experience > 10 THEN 'Более 10 лет'
WHEN work_experience BETWEEN 5 AND 10 THEN 'От 5 до 10 лет'
WHEN work_experience < 5 THEN 'Менее 5 лет'
END AS 'Стаж' FROM workers;
|
537 | Вывести названия книг, которые никто никогда не брал, их идентификатор и столбец 'action' со значениями 'keep', если книга была выпущена в 2010 году или позже, и 'write off', если до 2010 года. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
name
, b.book_id
, IF(
COUNT(t.instance_id) = 0 AND pub_year < 2010, 'write off', 'keep'
) AS action FROM (
books AS b JOIN instances AS i
ON b.book_id = i.book_id
)
LEFT JOIN take_book AS t
ON i.instance_id = t.instance_id
GROUP BY b.book_id, name
HAVING COUNT(t.instance_id) = 0;
|
538 | Для каждого студента вывести его полное имя и номер курса, если студент относится к группе M0010 – вывести ‘1 курс’, 'T0023' или 'M0220' – вывести ‘2 курс’, 'T0033' – вывести ‘3 курс’, соответствующую колонку назвать ‘class’. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name_r
, CASE
WHEN reader_groups = 'M0010' THEN '1 курс'
WHEN reader_groups = 'T0023' OR reader_groups = 'M0220' THEN '2 курс'
WHEN reader_groups = 'T0033' THEN '3 курс'
END AS class FROM readers WHERE reader_groups IS NOT null;
|
539 | Вывести ФИО работников, которые занимаются регистрацией читателей, столбец 'conclusion' со значениями : 'Хороший работник', если число зарегистрированных им читателей больше или равно среднему числу зарегистрированных читателей между работниками; 'Плохой работник', если число зарегистрированных им читателей окажется меньше среднего значения. Для корректного вывода результата, рекомендуется использовать математическую функцию ROUND(X) при работе со средними арифметическими числами. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, IF(
COUNT(reader_id) >= (
SELECT ROUND(AVG(a)) FROM (
SELECT COUNT(reader_id) AS a FROM reader_reg GROUP BY worker_id
) AS a
), 'Хороший работник', 'Плохой работник'
) AS conclusion
FROM workers AS w JOIN reader_reg AS r
ON w.worker_id = r.worker_id
GROUP BY w.worker_id;
|
540 | Вывести ФИО работников, которые занимаются регистрацией экземпляров книг и столбец 'conclusion' со значениями: 'Хороший работник', если число зарегистрированных им экземпляров больше или равно среднему числу зарегистрированных экземпляров между работниками; 'Плохой работник', если число зарегистрированных им экземпляров окажется меньше среднего значения. Для корректного вывода результата рекомендуется использовать математическую функцию ROUND(X) при работе со средним арифметическим. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, IF(
COUNT(instance_id) >= (
SELECT ROUND(AVG(a)) FROM (
SELECT COUNT(instance_id) AS a FROM instances GROUP BY worker_id
) AS a
), 'Хороший работник', 'Плохой работник'
) AS conclusion
FROM workers AS w JOIN instances AS i
ON w.worker_id = i.worker_id
GROUP BY w.worker_id;
|
541 | Для каждого жанра вывести количество книг, относящихся к этому жанру, и значение ‘Популярный’, если количество раз, когда читатели брали экземпляры этого жанра, превышает 7, в ином случаи – ‘Непопулярный’. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
temp_1.genre
, books
, IF(b > 7, 'Популярный', 'Непопулярный') AS status
FROM (SELECT
genre
, COUNT(take_book.instance_id) AS b
FROM take_book, instances, books WHERE take_book.instance_id = instances.instance_id AND instances.book_id = books.book_id GROUP BY genre) AS temp_1, (SELECT
genre
, COUNT(genre) AS books
FROM books GROUP BY genre) AS temp_2 WHERE temp_1.genre = temp_2.genre;
|
542 | Посчитать сумму, которую библиотека потратила на приобретение новых книг в 2020 году, если актуальны следующие цены: если категория издания — 'литературно-художественное' и тип издания — 'отечественный', то цена = 870р. за шт.; если категория издания — 'научное' и тип издания — 'отечественный', то цена = 940р. за шт.; если категория издания — 'учебное' и тип издания — 'отечественный', то цена = 630р. за шт.. Все цены увеличиваются на 30%, если тип издания — 'иностранное'. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT SUM(
CASE
WHEN category = 'литературно-художественное' AND pub_type = 'отечественное' THEN number * 870
WHEN category = 'литературно-художественное' AND pub_type = 'иностранное' THEN number * (870 * 1.3)
WHEN category = 'научное' AND pub_type = 'отечественное' THEN number * 940
WHEN category = 'научное' AND pub_type = 'иностранное' THEN number * (940 * 1.3)
WHEN category = 'учебное' AND pub_type = 'отечественное' THEN number * 630
WHEN category = 'учебное' AND pub_type = 'иностранное' THEN number * (630 * 1.3)
END
) AS expense
FROM (
SELECT
SUM(number) AS number
, category
, pub_type
FROM (
SELECT
name
, category
, pub_type
, COUNT(instances.book_id) AS number
FROM instances, books
WHERE instances.book_id = books.book_id AND date_reg BETWEEN '2020-01-01' AND '2021-01-01'
GROUP BY instances.book_id
) AS temp GROUP BY category, pub_type
) AS q;
|
543 | Рассчитать премию для каждого работника: если суммарное число всех его работ по трем категориям (регистрация читателей, выдача книг или регистрация экземпляров) превышает или равняется 21, то его премия составит 4800 рублей, если число работ находится в диапазоне от 12 до 21 – 3300 руб., если меньше 12 – 2000 руб., если же работник не выполнил ни одной работы, его премия составит 0 рублей. Использовать UNION ALL. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT
full_name
, CASE
WHEN cnt >= 21 THEN 4800
WHEN cnt < 7 AND cnt >= 4 THEN 3300
WHEN cnt < 4 AND cnt > 0 THEN 2000
ELSE 0
END AS prize FROM (SELECT
worker_id
, COUNT(*) AS cnt
FROM (
SELECT worker_id FROM reader_reg
UNION ALL
SELECT worker_id FROM instances
UNION ALL
SELECT worker_id FROM take_book
) AS temp1 GROUP BY worker_id) AS temp2 JOIN workers ON temp2.worker_id = workers.worker_id;
|
544 | Посчитать сумму, которую библиотека потратила на приобретение новых книг в 2019 году, если актуальны следующие цены: если категория издания(category) — 'литературно-художественное' и книга издана раньше 2018 года, то цена = 540р. за шт.; если категория издания(category) — 'научное' и книга издана раньше 2018 года, то цена = 870р. за шт.; если категория издания(category) — 'учебное' и книга издана раньше 2018 года, то цена = 660р. за шт.. Все цены увеличиваются на 20%, если книга издана позже 2018 года. |
CREATE TABLE books (
book_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
author VARCHAR(60) DEFAULT NULL,
name VARCHAR(75) NOT NULL,
genre VARCHAR(45) NOT NULL,
category VARCHAR(40) NOT NULL,
publisher VARCHAR(35) NOT NULL,
pub_year SMALLINT(6) DEFAULT NULL,
pub_type VARCHAR(30) NOT NULL,
);
CREATE TABLE instances (
instance_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
book_id INT(11) NOT NULL,
status VARCHAR(50) DEFAULT NULL,
worker_id INT(11) NOT NULL,
cypher VARCHAR(20) NOT NULL,
date_reg DATE NOT NULL,
write_off_date DATE DEFAULT NULL,
CONSTRAINT R_26 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_1 FOREIGN KEY (book_id) REFERENCES books (book_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE reader_reg (
library_card INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
date_reg DATE NOT NULL,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
CONSTRAINT R_24 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_23 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE readers (
reader_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name_r VARCHAR(35) NOT NULL,
passport VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
science_degree VARCHAR(50) DEFAULT NULL,
occupation VARCHAR(40) NOT NULL,
education_mode VARCHAR(25) DEFAULT NULL,
groups VARCHAR(10) DEFAULT NULL,
status VARCHAR(25) NOT NULL,
);
CREATE TABLE reading_rooms (
hall_number INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
capacity INT(11) NOT NULL,
name VARCHAR(60) NOT NULL,
species VARCHAR(40) NOT NULL,
);
CREATE TABLE take_book (
op_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
worker_id INT(11) NOT NULL,
reader_id INT(11) NOT NULL,
instance_id INT(11) NOT NULL,
fixing_date DATE NOT NULL,
return_date DATE DEFAULT NULL,
f_return_date DATE NOT NULL,
fine FLOAT DEFAULT NULL,
hall_number INT(11) NOT NULL,
CONSTRAINT R_27 FOREIGN KEY (hall_number) REFERENCES reading_rooms (hall_number) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_17 FOREIGN KEY (worker_id) REFERENCES workers (worker_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_18 FOREIGN KEY (reader_id) REFERENCES readers (reader_id) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT R_19 FOREIGN KEY (instance_id) REFERENCES instances (instance_id) ON DELETE CASCADE ON UPDATE CASCADE
);
CREATE TABLE workers (
worker_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
full_name VARCHAR(30) NOT NULL,
position VARCHAR(50) DEFAULT NULL,
work_experience SMALLINT(6) DEFAULT NULL,
birthday DATE NOT NULL,
education VARCHAR(30) NOT NULL,
);
| SELECT SUM(
CASE
WHEN category = 'литературно-художественное' AND pub_year < 2018 THEN number * 540
WHEN category = 'литературно-художественное' AND pub_year > 2018 THEN number * (540 * 1.2)
WHEN category = 'научное' AND pub_year < 2018 THEN number * 870
WHEN category = 'научное' AND pub_year > 2018 THEN number * (870 * 1.2)
WHEN category = 'учебное' AND pub_year < 2018 THEN number * 660
WHEN category = 'учебное' AND pub_year > 2018 THEN number * (660 * 1.2)
END
) AS expense
FROM (
SELECT
SUM(number) AS number
, category
, pub_year
FROM (
SELECT
name
, category
, pub_year
, COUNT(instances.book_id) AS number
FROM instances, books
WHERE instances.book_id = books.book_id AND date_reg BETWEEN '2019-01-01' AND '2020-01-01'
GROUP BY instances.book_id
) AS temp GROUP BY category, pub_year
) AS q;
|
545 | Вывести полную информацию обо всех машинах. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT * FROM car;
|
546 | Вывести полную информацию обо всех видах топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT * FROM fuel;
|
547 | Вывесли полную информацию обо всех водителях. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT * FROM employee;
|
548 | Вывести всю информацию об автобазах. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT * FROM motor_depot;
|
549 | Вывести информацию о виде и марке топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
kind
, fuel_brand
FROM fuel;
|
550 | Вывести информацию о гаражах в следующем порядке: идентификатор гаража, адрес гаража. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
id_garage
, garage_address
FROM garage;
|
551 | Вывести номера и даты всех заправочных ведомостей. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_statement
, date_st
FROM statement;
|
552 | Вывести фамилии и имена работников. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
last_name
, first_name
FROM employee;
|
553 | Вывести информацию о заправках в следующем порядке: идентификатор заправки, идентификатор топлива, количество заправленного топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
id_refuel
, id_fuel
, fuel_qty
FROM refueling;
|
554 | Вывести информацию об автомобилях в следующем порядке: государственный номер, марка, идентификатор водителя, идентификатор гаража. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
license_plate
, brand
, id_employee
, id_garage
FROM car;
|
555 | Вывести информацию о сотрудниках в следующем порядке: фамилия, имя, должность, квалификация. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
first_name
, last_name
, position
, qualification
FROM employee;
|
556 | Вывести информацию о путевых листах в следующем порядке: номер путевого листа, грузоотправитель, грузополучатель. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_waybill
, consignor
, consignee
FROM waybill;
|
557 | Машины каких марок есть в базе? |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT brand FROM car;
|
558 | Вывести уникальную информацию из таблицы Waybill по грузоотправителям и грузополучателям. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT
consignor
, consignee
FROM waybill;
|
559 | Вывести уникальные имена сотрудников. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT first_name FROM employee;
|
560 | Вывести список пар пунктов погрузки и разгрузки. Пары не должны повторяться. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT
loading_point
, discharge_point
FROM waybill;
|
561 | Какие должности занимают работники? |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT position FROM employee;
|
562 | Вывести идентификатор для всех заправок, у которых количество топлива превысило 60. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT id_refuel FROM refueling WHERE fuel_qty > 60;
|
563 | Вывести полную инофрмацию по заправочным ведомостям, составленным раньше 2020-02-27. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT * FROM statement WHERE date_st < '2020-02-27';
|
564 | Из таблицы Waybill вывести номера накладных начиная с 21.02.2020. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT num_waybill FROM waybill WHERE begin_date > '2020-02-21';
|
565 | Вывести информацию про количество топлива и идентификатор топлива для машин, которые заправлялись больше чем или на 50 единиц топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
fuel_qty
, id_refuel
FROM refueling WHERE fuel_qty >= 50;
|
566 | Вывести информацию про количество топлива и идентификатор топлива для машин, которые заправлялись меньше, чем на 100 единиц топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
fuel_qty
, id_refuel
FROM refueling WHERE fuel_qty < 100;
|
567 | Вывести информацию по номерам накладным и точкам погрузки, которые были закончены ранее 2020-03-02. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_waybill
, loading_point
FROM waybill WHERE end_date < '2020-03-02';
|
568 | Вывести информацию по номеру накладных, грузоотправителю и грузополучателю при условии, что дата окончания ранее 01.03.2020. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_waybill
, consignor
, consignee
FROM waybill WHERE end_date < '2020-03-01';
|
569 | Вывести номера накладных, которые были созданы 25.02.2020. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT num_waybill FROM waybill WHERE begin_date = '2020-02-25';
|
570 | Вывести номера накладных, которые были закончены позднее 2020-02-25. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT num_waybill FROM waybill WHERE end_date > '2020-02-25';
|
571 | Вывести бренды топлива, которое не является бензином. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT fuel_brand FROM fuel WHERE kind <> 'petrol';
|
572 | Вывести уникальные имена и фамилии сотрудников с ненулевой квалификацией. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT
first_name
, last_name
FROM employee WHERE qualification <> 0;
|
573 | Вывести фамилии работников, отсортировать в алфавитном порядке. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT last_name FROM employee ORDER BY last_name ASC;
|
574 | Вывести номера и даты всех заправочных ведомостей в порядке убывания номера. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_statement
, date_st
FROM statement ORDER BY num_statement DESC;
|
575 | Для всех ведомостей вывести информацию об идентификаторе ведомости и фамилии работника. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
id_statement
, last_name
FROM statement, employee WHERE employee.id_employee = statement.id_employee;
|
576 | Вывести информацию про заправки, указать идентификаторы заправок и номера соответствующих накладных. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
id_refuel
, waybill.num_waybill
FROM refueling, waybill WHERE refueling.id_waybill = waybill.id_waybill;
|
577 | Вывести информацию в следующем порядке: гос. номер машины, номера гаража, за которым она закреплена, и адрес гаража. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
car.license_plate
, garage.num_garage
, garage_address
FROM garage, car WHERE car.id_garage = garage.id_garage;
|
578 | Для всех автомобилей, за которыми закреплены водители, вывести гос. номер машины, фамилию и имя водителя. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
car.license_plate
, employee.last_name
, employee.first_name
FROM car, employee WHERE car.id_employee = employee.id_employee;
|
579 | Вывести информацию по номерам накладных и грузополучателям, машины которых отправлялись позднее 2020-02-19 и заканчивали раньше 2020-02-26. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_waybill
, consignee
FROM waybill WHERE begin_date > '2020-02-19' AND end_date < '2020-02-26';
|
580 | Вывести номера накладных, дата окончания которых меньше 2020-02-28 и общий пробег больше 400. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT num_waybill FROM waybill WHERE end_date < '2020-02-28' AND total_mileage > 400;
|
581 | Вывести путевые листы, на которые отпущено более 100 единиц топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT num_waybill
FROM waybill, refueling
WHERE waybill.id_waybill = refueling.id_waybill AND fuel_qty > 100;
|
582 | Вывести фамилии сотрудников, которые заправляли машины до 2020-02-25. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT last_name FROM statement, employee WHERE statement.date_st < '2020-02-25' AND statement.id_employee = employee.id_employee;
|
583 | Вывести id_refuel для машин, у которых по накладным точкой разгрузки была Moskovskaya av. 56. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT refueling.id_refuel FROM refueling, waybill WHERE waybill.id_waybill = refueling.id_waybill
AND waybill.discharge_point = 'Moskovskaya av. 56';
|
584 | Из таблицы Employee вывести фамилии работников, которые не являются водителями. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT last_name FROM employee WHERE NOT position = 'driver';
|
585 | Вывести фамилии водителей, которые закончили рейс ранее 2020-02-22. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT last_name FROM employee, car, waybill WHERE employee.id_employee = car.id_employee AND car.id_car = waybill.id_car AND end_date < '2020-02-22';
|
586 | Вывести информацию о брендах и государственных номерах машин, которые находятся на автобазе Pulkovskaya. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
brand
, license_plate
FROM motor_depot, garage, car WHERE name_depot = 'Pulkovskaya' AND motor_depot.id_depot = garage.id_depot AND garage.id_garage = car.id_garage;
|
587 | Вывести все государственные номера машин не бренда GAZ. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT license_plate FROM car WHERE NOT brand = 'GAZ';
|
588 | По каким адресам находятся гаражи на автобазе, расположенной по адресу: Obukhovskii av. 120? Вывести уникальные адреса. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT garage_address FROM garage, motor_depot WHERE motor_depot.id_depot = garage.id_depot AND address = 'Obukhovskii av. 120';
|
589 | Вывести номера накладных, у которых рейс начался позднее 2020-02-20 и пробег с грузом был не больше 389. Информацию упорядочить по увеличению номера путевого листа. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT num_waybill FROM waybill WHERE begin_date > '2020-02-20' AND mileage_with_cargo <= 389 ORDER BY num_waybill;
|
590 | Вывести фамилии водителей, у которых не 1 квалификация и машина бренда MAZ. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT last_name FROM car, employee WHERE brand = 'MAZ' AND position = 'driver' AND NOT qualification = '1';
|
591 | Вывести информацию по номерам накладных и грузополучателям, машины которых отправлялись позднее 2020-02-19 и заканчивали раньше 2020-02-26. Отсортировать по дате отправления. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
num_waybill
, consignee
FROM waybill WHERE begin_date > '2020-02-19' AND end_date < '2020-02-26' ORDER BY begin_date;
|
592 | Найти id_employee водителей с машинами бренда MAZ или Kamaz. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT employee.id_employee FROM car, employee
WHERE employee.id_employee = car.id_employee
AND car.brand = 'MAZ' OR car.brand = 'Kamaz';
|
593 | Вывести фамилии и имена водителей, у которых пробег с грузом в путевом листе был меньше чем 448. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
last_name
, first_name
FROM employee, car, waybill WHERE position = 'driver' AND employee.id_employee = car.id_employee AND car.id_car = waybill.id_car AND mileage_with_cargo < 448;
|
594 | Вывести id машины и id водителя, которые были в рейсах с 2020-02-21 по 2020-02-23. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT
car.id_car
, employee.id_employee
FROM employee, car, waybill WHERE employee.id_employee = car.id_employee AND car.id_car = waybill.id_car AND begin_date > '2020-02-21' AND end_date < '2020-02-23';
|
595 | Вывести номера накладных для водителей не 3 квалификации. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT num_waybill FROM waybill, car, employee WHERE waybill.id_car = car.id_car AND car.id_employee = employee.id_employee AND NOT qualification = '3' AND position = 'driver';
|
596 | Вывести гос. номера машин брендов MAZ или GAZ. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT license_plate FROM car WHERE brand = 'MAZ' OR brand = 'GAZ';
|
597 | Вывести фамилии и имена водителей, которые отправились в путь 21-го февраля 2020 года. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT
last_name
, first_name
FROM employee, car, waybill WHERE waybill.id_car = car.id_car AND car.id_employee = employee.id_employee AND begin_date = '2020-02-21';
|
598 | Вывести государственные номера машин, котрые когда-либо заправлялись больше чем на 70 единиц топлива. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT license_plate FROM car, waybill, refueling WHERE car.id_car = waybill.id_car AND waybill.id_waybill = refueling.id_waybill AND fuel_qty > 70;
|
599 | Найти уникальные бренды автомобилей, которые заправлялись больше чем на 100 единиц топлива за раз. |
CREATE TABLE car (
id_garage INT NOT NULL,
license_plate VARCHAR(20) DEFAULT NULL,
brand VARCHAR(20) NOT NULL,
id_employee VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL PRIMARY KEY,
CONSTRAINT car_ibfk_1 FOREIGN KEY (id_garage) REFERENCES garage (id_garage),
CONSTRAINT car_ibfk_2 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE employee (
id_employee VARCHAR(20) NOT NULL PRIMARY KEY,
first_name VARCHAR(20) NOT NULL,
position VARCHAR(20) NOT NULL,
qualification INT DEFAULT NULL,
last_name VARCHAR(20) DEFAULT NULL,
);
CREATE TABLE fuel (
fuel_brand VARCHAR(20) DEFAULT NULL,
kind VARCHAR(20) NOT NULL,
id_fuel INT NOT NULL PRIMARY KEY,
);
CREATE TABLE garage (
id_depot INT NOT NULL,
id_garage INT NOT NULL PRIMARY KEY,
garage_address VARCHAR(20) NOT NULL,
num_garage INT DEFAULT NULL,
CONSTRAINT garage_ibfk_1 FOREIGN KEY (id_depot) REFERENCES motor_depot (id_depot)
);
CREATE TABLE motor_depot (
name_depot VARCHAR(20) NOT NULL,
address VARCHAR(20) NOT NULL,
id_depot INT NOT NULL PRIMARY KEY,
);
CREATE TABLE refueling (
fuel_qty INT NOT NULL,
id_refuel INT NOT NULL PRIMARY KEY,
id_fuel INT DEFAULT NULL,
id_statement INT DEFAULT NULL,
id_waybill VARCHAR(18) DEFAULT NULL,
CONSTRAINT refueling_ibfk_1 FOREIGN KEY (id_waybill) REFERENCES waybill (id_waybill)
);
CREATE TABLE statement (
id_employee VARCHAR(20) NOT NULL,
date_st DATE NOT NULL,
num_statement INT DEFAULT NULL,
id_statement INT NOT NULL PRIMARY KEY,
CONSTRAINT statement_ibfk_1 FOREIGN KEY (id_employee) REFERENCES employee (id_employee)
);
CREATE TABLE waybill (
num_waybill INT DEFAULT NULL,
loading_point VARCHAR(20) NOT NULL,
discharge_point VARCHAR(20) NOT NULL,
consignee VARCHAR(20) NOT NULL,
total_mileage INT NOT NULL,
mileage_with_cargo INT DEFAULT NULL,
consignor VARCHAR(20) DEFAULT NULL,
id_car INT NOT NULL,
id_waybill VARCHAR(18) NOT NULL PRIMARY KEY,
begin_date DATE DEFAULT NULL,
end_date DATE DEFAULT NULL,
CONSTRAINT waybill_ibfk_1 FOREIGN KEY (id_car) REFERENCES car (id_car)
);
| SELECT DISTINCT car.brand FROM waybill, car, refueling WHERE refueling.fuel_qty > 100 AND refueling.id_waybill = waybill.id_waybill AND waybill.id_car = car.id_car;
|
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