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sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
which country did participated in the most number of Tournament competitions?
SELECT country FROM competition WHERE competition_type = 'Tournament' GROUP BY country ORDER BY count(*) DESC LIMIT 1
1
sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
what is the name of the country that participated in the most tournament competitions?
SELECT country FROM competition WHERE competition_type = 'Tournament' GROUP BY country ORDER BY count(*) DESC LIMIT 1
1
sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
which countries did participated in both Friendly and Tournament type competitions.
SELECT country FROM competition WHERE competition_type = 'Friendly' INTERSECT SELECT country FROM competition WHERE competition_type = 'Tournament'
1
sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
What are the countries that participated in both friendly and tournament type competitions?
SELECT country FROM competition WHERE competition_type = 'Friendly' INTERSECT SELECT country FROM competition WHERE competition_type = 'Tournament'
1
sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
Find the countries that have never participated in any competition with Friendly type.
SELECT country FROM competition EXCEPT SELECT country FROM competition WHERE competition_type = 'Friendly'
1
sports_competition
CREATE TABLE "club" ( "Club_ID" int, "name" text, "Region" text, "Start_year" text, PRIMARY KEY ("Club_ID") ); CREATE TABLE "club_rank" ( "Rank" real, "Club_ID" int, "Gold" real, "Silver" real, "Bronze" real, "Total" real, PRIMARY KEY ("Rank","Club_ID") FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "player" ( "Player_ID" int, "name" text, "Position" text, "Club_ID" int, "Apps" real, "Tries" real, "Goals" text, "Points" real, PRIMARY KEY ("Player_ID"), FOREIGN KEY (`Club_ID`) REFERENCES `club`(`Club_ID`) ); CREATE TABLE "competition" ( "Competition_ID" int, "Year" real, "Competition_type" text, "Country" text, PRIMARY KEY ("Competition_ID") ); CREATE TABLE "competition_result" ( "Competition_ID" int, "Club_ID_1" int, "Club_ID_2" int, "Score" text, PRIMARY KEY ("Competition_ID","Club_ID_1","Club_ID_2"), FOREIGN KEY (`Club_ID_1`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Club_ID_2`) REFERENCES `club`(`Club_ID`), FOREIGN KEY (`Competition_ID`) REFERENCES `competition`(`Competition_ID`) )
What are the countries that have never participated in any friendly-type competitions?
SELECT country FROM competition EXCEPT SELECT country FROM competition WHERE competition_type = 'Friendly'
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
How many furniture components are there in total?
SELECT sum(num_of_component) FROM furniture
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Return the name and id of the furniture with the highest market rate.
SELECT name , furniture_id FROM furniture ORDER BY market_rate DESC LIMIT 1
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
find the total market rate of the furnitures that have the top 2 market shares.
SELECT sum(market_rate) FROM furniture ORDER BY market_rate DESC LIMIT 2
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the component amounts and names of all furnitures that have more than 10 components.
SELECT Num_of_Component , name FROM furniture WHERE Num_of_Component > 10
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the name and component amount of the least popular furniture.
SELECT name , Num_of_Component FROM furniture ORDER BY market_rate LIMIT 1
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the names of furnitures whose prices are lower than the highest price.
SELECT t1.name FROM furniture AS t1 JOIN furniture_manufacte AS t2 ON t1.Furniture_ID = t2.Furniture_ID WHERE t2.Price_in_Dollar < (SELECT max(Price_in_Dollar) FROM furniture_manufacte)
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Which manufacturer has the most number of shops? List its name and year of opening.
SELECT open_year , name FROM manufacturer ORDER BY num_of_shops DESC LIMIT 1
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the average number of factories for the manufacturers that have more than 20 shops.
SELECT avg(Num_of_Factories) FROM manufacturer WHERE num_of_shops > 20
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
List all manufacturer names and ids ordered by their opening year.
SELECT name , manufacturer_id FROM manufacturer ORDER BY open_year
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Give me the name and year of opening of the manufacturers that have either less than 10 factories or more than 10 shops.
SELECT name , open_year FROM manufacturer WHERE num_of_shops > 10 OR Num_of_Factories < 10
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
what is the average number of factories and maximum number of shops for manufacturers that opened before 1990.
SELECT max(num_of_shops) , avg(Num_of_Factories) FROM manufacturer WHERE open_year < 1990
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the id and number of shops for the company that produces the most expensive furniture.
SELECT t1.manufacturer_id , t1.num_of_shops FROM manufacturer AS t1 JOIN furniture_manufacte AS t2 ON t1.manufacturer_id = t2.manufacturer_id ORDER BY t2.Price_in_Dollar DESC LIMIT 1
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the number of funiture types produced by each manufacturer as well as the company names.
SELECT count(*) , t1.name FROM manufacturer AS t1 JOIN furniture_manufacte AS t2 ON t1.manufacturer_id = t2.manufacturer_id GROUP BY t1.manufacturer_id
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Give me the names and prices of furnitures which some companies are manufacturing.
SELECT t1.name , t2.price_in_dollar FROM furniture AS t1 JOIN furniture_manufacte AS t2 ON t1.Furniture_ID = t2.Furniture_ID
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the market shares and names of furnitures which no any company is producing in our records.
SELECT Market_Rate , name FROM furniture WHERE Furniture_ID NOT IN (SELECT Furniture_ID FROM furniture_manufacte)
1
manufacturer
CREATE TABLE "manufacturer" ( "Manufacturer_ID" int, "Open_Year" real, "Name" text, "Num_of_Factories" int, "Num_of_Shops" int, PRIMARY KEY ("Manufacturer_ID") ); CREATE TABLE "furniture" ( "Furniture_ID" int, "Name" text, "Num_of_Component" int, "Market_Rate" real, PRIMARY KEY ("Furniture_ID") ); CREATE TABLE "furniture_manufacte" ( "Manufacturer_ID" int, "Furniture_ID" int, "Price_in_Dollar" real, PRIMARY KEY ("Manufacturer_ID","Furniture_ID"), FOREIGN KEY ("Manufacturer_ID") REFERENCES `manufacturer`("Manufacturer_ID"), FOREIGN KEY ("Furniture_ID") REFERENCES `furniture`("Furniture_ID") )
Find the name of the company that produces both furnitures with less than 6 components and furnitures with more than 10 components.
SELECT t3.name FROM furniture AS t1 JOIN furniture_manufacte AS t2 ON t1.Furniture_ID = t2.Furniture_ID JOIN manufacturer AS t3 ON t2.manufacturer_id = t3.manufacturer_id WHERE t1.num_of_component < 6 INTERSECT SELECT t3.name FROM furniture AS t1 JOIN furniture_manufacte AS t2 ON t1.Furniture_ID = t2.Furniture_ID JOIN manufacturer AS t3 ON t2.manufacturer_id = t3.manufacturer_id WHERE t1.num_of_component > 10
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Display the first name and department name for each employee.
SELECT T1.first_name , T2.department_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the first name and department name of all employees?
SELECT T1.first_name , T2.department_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
List the full name (first and last name), and salary for those employees who earn below 6000.
SELECT first_name , last_name , salary FROM employees WHERE salary < 6000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full names and salaries for any employees earning less than 6000?
SELECT first_name , last_name , salary FROM employees WHERE salary < 6000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Display the first name, and department number for all employees whose last name is "McEwen".
SELECT first_name , department_id FROM employees WHERE last_name = 'McEwen'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the first names and department numbers for employees with last name McEwen?
SELECT first_name , department_id FROM employees WHERE last_name = 'McEwen'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Return all the information for all employees without any department number.
SELECT * FROM employees WHERE department_id = "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are all the employees without a department number?
SELECT * FROM employees WHERE department_id = "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Display all the information about the department Marketing.
SELECT * FROM departments WHERE department_name = 'Marketing'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is all the information about the Marketing department?
SELECT * FROM departments WHERE department_name = 'Marketing'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
when is the hire date for those employees whose first name does not containing the letter M?
SELECT hire_date FROM employees WHERE first_name NOT LIKE '%M%'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
On what dates were employees without the letter M in their first names hired?
SELECT hire_date FROM employees WHERE first_name NOT LIKE '%M%'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the full name (first and last), hire date, salary, and department number for those employees whose first name does not containing the letter M.
SELECT first_name , last_name , hire_date , salary , department_id FROM employees WHERE first_name NOT LIKE '%M%'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full name, hire date, salary, and department id for employees without the letter M in their first name?
SELECT first_name , last_name , hire_date , salary , department_id FROM employees WHERE first_name NOT LIKE '%M%'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the full name (first and last), hire date, salary, and department number for those employees whose first name does not containing the letter M and make the result set in ascending order by department number.
SELECT first_name , last_name , hire_date , salary , department_id FROM employees WHERE first_name NOT LIKE '%M%' ORDER BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full name, hire data, salary and department id for employees without the letter M in their first name, ordered by ascending department id?
SELECT first_name , last_name , hire_date , salary , department_id FROM employees WHERE first_name NOT LIKE '%M%' ORDER BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
what is the phone number of employees whose salary is in the range of 8000 and 12000?
SELECT phone_number FROM employees WHERE salary BETWEEN 8000 AND 12000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Return the phone numbers of employees with salaries between 8000 and 12000.
SELECT phone_number FROM employees WHERE salary BETWEEN 8000 AND 12000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display all the information of employees whose salary is in the range of 8000 and 12000 and commission is not null or department number does not equal to 40.
SELECT * FROM employees WHERE salary BETWEEN 8000 AND 12000 AND commission_pct != "null" OR department_id != 40
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Return all information about employees with salaries between 8000 and 12000 for which commission is not null or where their department id is not 40.
SELECT * FROM employees WHERE salary BETWEEN 8000 AND 12000 AND commission_pct != "null" OR department_id != 40
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full name (first and last name) and salary for all employees who does not have any value for commission?
SELECT first_name , last_name , salary FROM employees WHERE commission_pct = "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Return the full names and salaries of employees with null commissions.
SELECT first_name , last_name , salary FROM employees WHERE commission_pct = "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Display the first and last name, and salary for those employees whose first name is ending with the letter m.
SELECT first_name , last_name , salary FROM employees WHERE first_name LIKE '%m'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Return the full names and salaries for employees with first names that end with the letter m.
SELECT first_name , last_name , salary FROM employees WHERE first_name LIKE '%m'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find job id and date of hire for those employees who was hired between November 5th, 2007 and July 5th, 2009.
SELECT job_id , hire_date FROM employees WHERE hire_date BETWEEN '2007-11-05' AND '2009-07-05'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the job ids and dates of hire for employees hired after November 5th, 2007 and before July 5th, 2009?
SELECT job_id , hire_date FROM employees WHERE hire_date BETWEEN '2007-11-05' AND '2009-07-05'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the first and last name for those employees who works either in department 70 or 90?
SELECT first_name , last_name FROM employees WHERE department_id = 70 OR department_id = 90
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full names of employees who with in department 70 or 90?
SELECT first_name , last_name FROM employees WHERE department_id = 70 OR department_id = 90
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find the salary and manager number for those employees who is working under a manager.
SELECT salary , manager_id FROM employees WHERE manager_id != "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the salaries and manager ids for employees who have managers?
SELECT salary , manager_id FROM employees WHERE manager_id != "null"
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display all the details from Employees table for those employees who was hired before 2002-06-21.
SELECT * FROM employees WHERE hire_date < '2002-06-21'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is all the information about employees hired before June 21, 2002?
SELECT * FROM employees WHERE hire_date < '2002-06-21'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display all the information for all employees who have the letters D or S in their first name and also arrange the result in descending order by salary.
SELECT * FROM employees WHERE first_name LIKE '%D%' OR first_name LIKE '%S%' ORDER BY salary DESC
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is all the information about employees with D or S in their first name, ordered by salary descending?
SELECT * FROM employees WHERE first_name LIKE '%D%' OR first_name LIKE '%S%' ORDER BY salary DESC
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display those employees who joined after 7th September, 1987.
SELECT * FROM employees WHERE hire_date > '1987-09-07'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Which employees were hired after September 7th, 1987?
SELECT * FROM employees WHERE hire_date > '1987-09-07'
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the job title of jobs which minimum salary is greater than 9000.
SELECT job_title FROM jobs WHERE min_salary > 9000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Which job titles correspond to jobs with salaries over 9000?
SELECT job_title FROM jobs WHERE min_salary > 9000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display job Title, the difference between minimum and maximum salaries for those jobs which max salary within the range 12000 to 18000.
SELECT job_title , max_salary - min_salary FROM jobs WHERE max_salary BETWEEN 12000 AND 18000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the job titles, and range of salaries for jobs with maximum salary between 12000 and 18000?
SELECT job_title , max_salary - min_salary FROM jobs WHERE max_salary BETWEEN 12000 AND 18000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the emails of the employees who have no commission percentage and salary within the range 7000 to 12000 and works in that department which number is 50.
SELECT email FROM employees WHERE commission_pct = "null" AND salary BETWEEN 7000 AND 12000 AND department_id = 50
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the emails of employees with null commission, salary between 7000 and 12000, and who work in department 50?
SELECT email FROM employees WHERE commission_pct = "null" AND salary BETWEEN 7000 AND 12000 AND department_id = 50
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the employee ID for each employee and the date on which he ended his previous job.
SELECT employee_id , MAX(end_date) FROM job_history GROUP BY employee_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the employee ids for each employee and final dates of employment at their last job?
SELECT employee_id , MAX(end_date) FROM job_history GROUP BY employee_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display those departments where more than ten employees work who got a commission percentage.
SELECT department_id FROM employees GROUP BY department_id HAVING COUNT(commission_pct) > 10
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the department ids for which more than 10 employees had a commission?
SELECT department_id FROM employees GROUP BY department_id HAVING COUNT(commission_pct) > 10
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find the ids of the departments where any manager is managing 4 or more employees.
SELECT DISTINCT department_id FROM employees GROUP BY department_id , manager_id HAVING COUNT(employee_id) >= 4
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are department ids for departments with managers managing more than 3 employees?
SELECT DISTINCT department_id FROM employees GROUP BY department_id , manager_id HAVING COUNT(employee_id) >= 4
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the average salary of employees for each department who gets a commission percentage.
SELECT department_id , AVG(salary) FROM employees WHERE commission_pct != "null" GROUP BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is the average salary of employees who have a commission percentage that is not null?
SELECT department_id , AVG(salary) FROM employees WHERE commission_pct != "null" GROUP BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the country ID and number of cities for each country.
SELECT country_id , COUNT(*) FROM locations GROUP BY country_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Give the country id and corresponding count of cities in each country.
SELECT country_id , COUNT(*) FROM locations GROUP BY country_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display job ID for those jobs that were done by two or more for more than 300 days.
SELECT job_id FROM job_history WHERE end_date - start_date > 300 GROUP BY job_id HAVING COUNT(*) >= 2
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the job ids for jobs done more than once for a period of more than 300 days?
SELECT job_id FROM job_history WHERE end_date - start_date > 300 GROUP BY job_id HAVING COUNT(*) >= 2
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the ID for those employees who did two or more jobs in the past.
SELECT employee_id FROM job_history GROUP BY employee_id HAVING COUNT(*) >= 2
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the employee ids for employees who have held two or more jobs?
SELECT employee_id FROM job_history GROUP BY employee_id HAVING COUNT(*) >= 2
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find employee with ID and name of the country presently where (s)he is working.
SELECT T1.employee_id , T4.country_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id JOIN locations AS T3 ON T2.location_id = T3.location_id JOIN countries AS T4 ON T3.country_id = T4.country_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are all the employee ids and the names of the countries in which they work?
SELECT T1.employee_id , T4.country_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id JOIN locations AS T3 ON T2.location_id = T3.location_id JOIN countries AS T4 ON T3.country_id = T4.country_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the department name and number of employees in each of the department.
SELECT T2.department_name , COUNT(*) FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id GROUP BY T2.department_name
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Give the name of each department and the number of employees in each.
SELECT T2.department_name , COUNT(*) FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id GROUP BY T2.department_name
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Can you return all detailed info of jobs which was done by any of the employees who is presently earning a salary on and above 12000?
SELECT * FROM job_history AS T1 JOIN employees AS T2 ON T1.employee_id = T2.employee_id WHERE T2.salary >= 12000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is all the job history info done by employees earning a salary greater than or equal to 12000?
SELECT * FROM job_history AS T1 JOIN employees AS T2 ON T1.employee_id = T2.employee_id WHERE T2.salary >= 12000
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display job title and average salary of employees.
SELECT job_title , AVG(salary) FROM employees AS T1 JOIN jobs AS T2 ON T1.job_id = T2.job_id GROUP BY T2.job_title
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is the average salary for each job title?
SELECT job_title , AVG(salary) FROM employees AS T1 JOIN jobs AS T2 ON T1.job_id = T2.job_id GROUP BY T2.job_title
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is the full name ( first name and last name ) for those employees who gets more salary than the employee whose id is 163?
SELECT first_name , last_name FROM employees WHERE salary > (SELECT salary FROM employees WHERE employee_id = 163 )
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Provide the full names of employees earning more than the employee with id 163.
SELECT first_name , last_name FROM employees WHERE salary > (SELECT salary FROM employees WHERE employee_id = 163 )
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
return the smallest salary for every departments.
SELECT MIN(salary) , department_id FROM employees GROUP BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is the minimum salary in each department?
SELECT MIN(salary) , department_id FROM employees GROUP BY department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find the first name and last name and department id for those employees who earn such amount of salary which is the smallest salary of any of the departments.
SELECT first_name , last_name , department_id FROM employees WHERE salary IN (SELECT MIN(salary) FROM employees GROUP BY department_id)
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the full names and department ids for the lowest paid employees across all departments.
SELECT first_name , last_name , department_id FROM employees WHERE salary IN (SELECT MIN(salary) FROM employees GROUP BY department_id)
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
Find the employee id for all employees who earn more than the average salary.
SELECT employee_id FROM employees WHERE salary > (SELECT AVG(salary) FROM employees)
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the employee ids for employees who make more than the average?
SELECT employee_id FROM employees WHERE salary > (SELECT AVG(salary) FROM employees)
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
display the employee id and salary of all employees who report to Payam (first name).
SELECT employee_id , salary FROM employees WHERE manager_id = (SELECT employee_id FROM employees WHERE first_name = 'Payam' )
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the employee ids of employees who report to Payam, and what are their salaries?
SELECT employee_id , salary FROM employees WHERE manager_id = (SELECT employee_id FROM employees WHERE first_name = 'Payam' )
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
find the name of all departments that do actually have one or more employees assigned to them.
SELECT DISTINCT T2.department_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What are the names of departments that have at least one employee.
SELECT DISTINCT T2.department_name FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
get the details of employees who manage a department.
SELECT DISTINCT * FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id WHERE T1.employee_id = T2.manager_id
1
hr_1
CREATE TABLE IF NOT EXISTS `regions` ( `REGION_ID` decimal(5,0) NOT NULL, `REGION_NAME` varchar(25) DEFAULT NULL, PRIMARY KEY (`REGION_ID`) ); -- -- Database: `wrpracti_bookinfo` -- -- -------------------------------------------------------- -- -- Table structure for table `countries` -- CREATE TABLE IF NOT EXISTS `countries` ( `COUNTRY_ID` varchar(2) NOT NULL, `COUNTRY_NAME` varchar(40) DEFAULT NULL, `REGION_ID` decimal(10,0) DEFAULT NULL, PRIMARY KEY (`COUNTRY_ID`), FOREIGN KEY (`REGION_ID`) REFERENCES regions (`REGION_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `departments` -- CREATE TABLE IF NOT EXISTS `departments` ( `DEPARTMENT_ID` decimal(4,0) NOT NULL DEFAULT '0', `DEPARTMENT_NAME` varchar(30) NOT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `LOCATION_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`DEPARTMENT_ID`) ); CREATE TABLE IF NOT EXISTS `jobs` ( `JOB_ID` varchar(10) NOT NULL DEFAULT '', `JOB_TITLE` varchar(35) NOT NULL, `MIN_SALARY` decimal(6,0) DEFAULT NULL, `MAX_SALARY` decimal(6,0) DEFAULT NULL, PRIMARY KEY (`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `employees` -- CREATE TABLE IF NOT EXISTS `employees` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL DEFAULT '0', `FIRST_NAME` varchar(20) DEFAULT NULL, `LAST_NAME` varchar(25) NOT NULL, `EMAIL` varchar(25) NOT NULL, `PHONE_NUMBER` varchar(20) DEFAULT NULL, `HIRE_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `SALARY` decimal(8,2) DEFAULT NULL, `COMMISSION_PCT` decimal(2,2) DEFAULT NULL, `MANAGER_ID` decimal(6,0) DEFAULT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `job_history` -- CREATE TABLE IF NOT EXISTS `job_history` ( `EMPLOYEE_ID` decimal(6,0) NOT NULL, `START_DATE` date NOT NULL, `END_DATE` date NOT NULL, `JOB_ID` varchar(10) NOT NULL, `DEPARTMENT_ID` decimal(4,0) DEFAULT NULL, PRIMARY KEY (`EMPLOYEE_ID`,`START_DATE`), FOREIGN KEY (`EMPLOYEE_ID`) REFERENCES employees(`EMPLOYEE_ID`), FOREIGN KEY (`DEPARTMENT_ID`) REFERENCES departments(`DEPARTMENT_ID`), FOREIGN KEY (`JOB_ID`) REFERENCES jobs(`JOB_ID`) ); -- -------------------------------------------------------- -- -- Table structure for table `jobs` -- -- -- Table structure for table `locations` -- CREATE TABLE IF NOT EXISTS `locations` ( `LOCATION_ID` decimal(4,0) NOT NULL DEFAULT '0', `STREET_ADDRESS` varchar(40) DEFAULT NULL, `POSTAL_CODE` varchar(12) DEFAULT NULL, `CITY` varchar(30) NOT NULL, `STATE_PROVINCE` varchar(25) DEFAULT NULL, `COUNTRY_ID` varchar(2) DEFAULT NULL, PRIMARY KEY (`LOCATION_ID`), FOREIGN KEY (`COUNTRY_ID`) REFERENCES countries(`COUNTRY_ID`) )
What is all the information regarding employees who are managers?
SELECT DISTINCT * FROM employees AS T1 JOIN departments AS T2 ON T1.department_id = T2.department_id WHERE T1.employee_id = T2.manager_id