brief_instruction
stringlengths
16
224
instruction
stringlengths
687
8.77k
output
stringlengths
18
577
List each test result and its count in descending order of count.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT test_result , COUNT(*) FROM Student_Tests_Taken GROUP BY test_result ORDER BY COUNT(*) DESC
For each distinct test result, find the number of students who got the result.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT test_result , COUNT(*) FROM Student_Tests_Taken GROUP BY test_result ORDER BY COUNT(*) DESC
Find the login name of the course author that teaches the course with name "advanced database".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.login_name FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T2.course_name = "advanced database"
Which course author teaches the "advanced database" course? Give me his or her login name.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.login_name FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T2.course_name = "advanced database"
Find the addresses of the course authors who teach the course with name "operating system" or "data structure".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.address_line_1 FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T2.course_name = "operating system" OR T2.course_name = "data structure"
What are the addresses of the course authors who teach either "operating system" or "data structure" course.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.address_line_1 FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T2.course_name = "operating system" OR T2.course_name = "data structure"
Find the personal name, family name, and author ID of the course author that teaches the most courses.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.personal_name , T1.family_name , T2.author_id FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id GROUP BY T2.author_id ORDER BY COUNT(*) DESC LIMIT 1
What are the personal name, family name, and author ID of the course author who teaches the most courses?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.personal_name , T1.family_name , T2.author_id FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id GROUP BY T2.author_id ORDER BY COUNT(*) DESC LIMIT 1
Find the addresses and author IDs of the course authors that teach at least two courses.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.address_line_1 , T2.author_id FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id GROUP BY T2.author_id HAVING Count(*) >= 2
Which course authors teach two or more courses? Give me their addresses and author IDs.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.address_line_1 , T2.author_id FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id GROUP BY T2.author_id HAVING Count(*) >= 2
Find the names of courses taught by the tutor who has personal name "Julio".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T2.course_name FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T1.personal_name = "Julio"
What are the names of the courses taught by the tutor whose personal name is "Julio"?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T2.course_name FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T1.personal_name = "Julio"
Find the names and descriptions of courses that belong to the subject named "Computer Science".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name , T1.course_description FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id WHERE T2.subject_name = "Computer Science"
What are the names and descriptions of the all courses under the "Computer Science" subject?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name , T1.course_description FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id WHERE T2.subject_name = "Computer Science"
Find the subject ID, subject name, and the corresponding number of available courses for each subject.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.subject_id , T2.subject_name , COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id GROUP BY T1.subject_id
What are the subject ID, subject name, and the number of available courses for each subject?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.subject_id , T2.subject_name , COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id GROUP BY T1.subject_id
Find the subject ID, name of subject and the corresponding number of courses for each subject, and sort by the course count in ascending order.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.subject_id , T2.subject_name , COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id GROUP BY T1.subject_id ORDER BY COUNT(*) ASC
List the subject ID, name of subject and the number of courses available for each subject in ascending order of the course counts.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.subject_id , T2.subject_name , COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id GROUP BY T1.subject_id ORDER BY COUNT(*) ASC
What is the date of enrollment of the course named "Spanish"?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T2.date_of_enrolment FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "Spanish"
Find the the date of enrollment of the "Spanish" course.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T2.date_of_enrolment FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id WHERE T1.course_name = "Spanish"
What is the name of the course that has the most student enrollment?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name ORDER BY COUNT(*) DESC LIMIT 1
Which course is enrolled in by the most students? Give me the course name.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name ORDER BY COUNT(*) DESC LIMIT 1
What are the names of the courses that have exactly 1 student enrollment?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name HAVING COUNT(*) = 1
Find the names of the courses that have just one student enrollment.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name HAVING COUNT(*) = 1
What are the descriptions and names of the courses that have student enrollment bigger than 2?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_description , T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name HAVING COUNT(*) > 2
Return the descriptions and names of the courses that have more than two students enrolled in.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_description , T1.course_name FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name HAVING COUNT(*) > 2
What is the name of each course and the corresponding number of student enrollment?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name , COUNT(*) FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name
List the name and the number of enrolled student for each course.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.course_name , COUNT(*) FROM Courses AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.course_id = T2.course_id GROUP BY T1.course_name
What are the enrollment dates of all the tests that have result "Pass"?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment FROM Student_Course_Enrolment AS T1 JOIN Student_Tests_Taken AS T2 ON T1.registration_id = T2.registration_id WHERE T2.test_result = "Pass"
Find the enrollment date for all the tests that have "Pass" result.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment FROM Student_Course_Enrolment AS T1 JOIN Student_Tests_Taken AS T2 ON T1.registration_id = T2.registration_id WHERE T2.test_result = "Pass"
What are the completion dates of all the tests that have result "Fail"?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Student_Tests_Taken AS T2 ON T1.registration_id = T2.registration_id WHERE T2.test_result = "Fail"
Return the completion date for all the tests that have "Fail" result.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Student_Tests_Taken AS T2 ON T1.registration_id = T2.registration_id WHERE T2.test_result = "Fail"
List the dates of enrollment and completion of the student with personal name "Karson".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment , T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id WHERE T2.personal_name = "Karson"
On what dates did the student whose personal name is "Karson" enroll in and complete the courses?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment , T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id WHERE T2.personal_name = "Karson"
List the dates of enrollment and completion of the student with family name "Zieme" and personal name "Bernie".
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment , T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id WHERE T2.family_name = "Zieme" AND T2.personal_name = "Bernie"
On what dates did the student with family name "Zieme" and personal name "Bernie" enroll in and complete the courses?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.date_of_enrolment , T1.date_of_completion FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id WHERE T2.family_name = "Zieme" AND T2.personal_name = "Bernie"
Find the student ID and login name of the student with the most course enrollments
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.login_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY COUNT(*) DESC LIMIT 1
What are the student ID and login name of the student who are enrolled in the most courses?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.login_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY COUNT(*) DESC LIMIT 1
Find the student ID and personal name of the student with at least two enrollments.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.personal_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id HAVING COUNT(*) >= 2
Which student are enrolled in at least two courses? Give me the student ID and personal name.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.personal_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id HAVING COUNT(*) >= 2
Find the student ID and middle name for all the students with at most two enrollments.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.middle_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id HAVING COUNT(*) <= 2
What are the student IDs and middle names of the students enrolled in at most two courses?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT T1.student_id , T2.middle_name FROM Student_Course_Enrolment AS T1 JOIN Students AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id HAVING COUNT(*) <= 2
Find the personal names of students not enrolled in any course.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT personal_name FROM Students EXCEPT SELECT T1.personal_name FROM Students AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.student_id = T2.student_id
Which students not enrolled in any course? Find their personal names.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT personal_name FROM Students EXCEPT SELECT T1.personal_name FROM Students AS T1 JOIN Student_Course_Enrolment AS T2 ON T1.student_id = T2.student_id
How many students did not have any course enrollment?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT count(*) FROM Students WHERE student_id NOT IN (SELECT student_id FROM Student_Course_Enrolment)
Count the number of students who did not enroll in any course.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT count(*) FROM Students WHERE student_id NOT IN (SELECT student_id FROM Student_Course_Enrolment)
Find the common login name of course authors and students.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT login_name FROM Course_Authors_and_Tutors INTERSECT SELECT login_name FROM Students
What are the login names used both by some course authors and some students?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT login_name FROM Course_Authors_and_Tutors INTERSECT SELECT login_name FROM Students
Find the common personal name of course authors and students.
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT personal_name FROM Course_Authors_and_Tutors INTERSECT SELECT personal_name FROM Students
What are the personal names used both by some course authors and some students?
-- Language PostgreSQL -- Tables: -- Table: course authors and tutors columns : [['author id', 'number'], ['author tutor atb', 'text'], ['login name', 'text'], ['password', 'text'], ['personal name', 'text'], ['middle name', 'text'], ['family name', 'text'], ['gender mf', 'text'], ['addr...
SELECT personal_name FROM Course_Authors_and_Tutors INTERSECT SELECT personal_name FROM Students
Which claims caused more than 2 settlements or have the maximum claim value? List the date the claim was made and the claim id.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.Date_Claim_Made , T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id GROUP BY T1.Claim_id HAVING count(*) > 2 UNION SELECT T1.Date_Claim_Made , T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id WHERE T1.Amount_Claimed = ( SELECT max(Amou...
Find the claims that led to more than two settlements or have the maximum claim value. For each of them, return the date the claim was made and the id of the claim.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.Date_Claim_Made , T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id GROUP BY T1.Claim_id HAVING count(*) > 2 UNION SELECT T1.Date_Claim_Made , T1.Claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id WHERE T1.Amount_Claimed = ( SELECT max(Amou...
Which customer had at least 2 policies but did not file any claims? List the customer details and id.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2 EXCEPT SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id JO...
Give me the the customer details and id for the customers who had two or more policies but did not file any claims.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id GROUP BY T1.customer_id HAVING count(*) >= 2 EXCEPT SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.customer_id JO...
List the method, date and amount of all the payments, in ascending order of date.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code , Date_Payment_Made , Amount_Payment FROM Payments ORDER BY Date_Payment_Made ASC
What are the method, date and amount of each payment? Sort the list in ascending order of date.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code , Date_Payment_Made , Amount_Payment FROM Payments ORDER BY Date_Payment_Made ASC
Among all the claims, what is the settlement amount of the claim with the largest claim amount? List both the settlement amount and claim amount.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Amount_Settled , Amount_Claimed FROM Claims ORDER BY Amount_Claimed DESC LIMIT 1
Find the settlement amount of the claim with the largest claim amount. Show both the settlement amount and claim amount.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Amount_Settled , Amount_Claimed FROM Claims ORDER BY Amount_Claimed DESC LIMIT 1
Among all the claims, what is the amount claimed in the claim with the least amount settled? List both the settlement amount and claim amount.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Amount_Settled , Amount_Claimed FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
Find the claimed amount in the claim with the least amount settled. Show both the settlement amount and claim amount.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Amount_Settled , Amount_Claimed FROM Claims ORDER BY Amount_Settled ASC LIMIT 1
Among all the claims, which claims have a claimed amount larger than the average? List the date the claim was made and the date it was settled.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made , Date_Claim_Settled FROM Claims WHERE Amount_Claimed > ( SELECT avg(Amount_Claimed) FROM Claims )
Give me the claim date, settlement date for all the claims whose claimed amount is larger than the average.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made , Date_Claim_Settled FROM Claims WHERE Amount_Claimed > ( SELECT avg(Amount_Claimed) FROM Claims )
Among all the claims, which settlements have a claimed amount that is no more than the average? List the claim start date.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made FROM Claims WHERE Amount_Settled <= ( SELECT avg(Amount_Settled) FROM Claims )
Return the claim start date for the claims whose claimed amount is no more than the average
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made FROM Claims WHERE Amount_Settled <= ( SELECT avg(Amount_Settled) FROM Claims )
How many settlements does each claim correspond to? List the claim id and the number of settlements.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.Claim_id , count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id
Find the number of settlements each claim corresponds to. Show the number together with the claim id.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.Claim_id , count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id
Which claim incurred the most number of settlements? List the claim id, the date the claim was made, and the number.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.claim_id , T1.date_claim_made , count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id ORDER BY count(*) DESC LIMIT 1
Find the claim id and claim date of the claim that incurred the most settlement count. Also tell me the count.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.claim_id , T1.date_claim_made , count(*) FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id ORDER BY count(*) DESC LIMIT 1
How many settlements were made on the claim with the most recent claim settlement date? List the number and the claim id.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT count(*) , T1.claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id ORDER BY T1.Date_Claim_Settled DESC LIMIT 1
Find the claim id and the number of settlements made for the claim with the most recent settlement date.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT count(*) , T1.claim_id FROM Claims AS T1 JOIN Settlements AS T2 ON T1.claim_id = T2.claim_id GROUP BY T1.claim_id ORDER BY T1.Date_Claim_Settled DESC LIMIT 1
Of all the claims, what was the earliest date when any claim was made?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made FROM Claims ORDER BY Date_Claim_Made ASC LIMIT 1
Tell me the the date when the first claim was made.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made FROM Claims ORDER BY Date_Claim_Made ASC LIMIT 1
What is the total amount of settlement made for all the settlements?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Settled) FROM Settlements
Compute the total amount of settlement across all the settlements.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Settled) FROM Settlements
Who are the customers that had more than 1 policy? List the customer details and id.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.Customer_id GROUP BY T1.customer_id HAVING count(*) > 1
Find the the customer details and id for the customers who had more than one policy.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.customer_details , T1.customer_id FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.Customer_id = T2.Customer_id GROUP BY T1.customer_id HAVING count(*) > 1
What are the claim dates and settlement dates of all the settlements?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made , Date_Claim_Settled FROM Settlements
Tell me the the claim date and settlement date for each settlement case.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Date_Claim_Made , Date_Claim_Settled FROM Settlements
What is the most popular payment method?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) DESC LIMIT 1
Which payment method is used the most often?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) DESC LIMIT 1
With which kind of payment method were the least number of payments processed?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) ASC LIMIT 1
What is the payment method that were used the least often?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_Method_Code FROM Payments GROUP BY Payment_Method_Code ORDER BY count(*) ASC LIMIT 1
What is the total amount of payment?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Payment) FROM Payments
Compute the total amount of payment processed.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Payment) FROM Payments
What are all the distinct details of the customers?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT DISTINCT customer_details FROM Customers
Return the distinct customer details.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT DISTINCT customer_details FROM Customers
Which kind of policy type was chosen by the most customers?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Policy_Type_Code FROM Customer_Policies GROUP BY Policy_Type_Code ORDER BY count(*) DESC LIMIT 1
Find the policy type the most customers choose.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Policy_Type_Code FROM Customer_Policies GROUP BY Policy_Type_Code ORDER BY count(*) DESC LIMIT 1
How many settlements are there in total?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT count(*) FROM Settlements
Count the total number of settlements made.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT count(*) FROM Settlements
Which Payments were processed with Visa? List the payment Id, the date and the amount.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_ID , Date_Payment_Made , Amount_Payment FROM Payments WHERE Payment_Method_Code = 'Visa'
Give me the payment Id, the date and the amount for all the payments processed with Visa.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT Payment_ID , Date_Payment_Made , Amount_Payment FROM Payments WHERE Payment_Method_Code = 'Visa'
List the details of the customers who do not have any policies.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT customer_details FROM Customers EXCEPT SELECT T1.customer_details FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.customer_id = T2.customer_id
Which customers do not have any policies? Find the details of these customers.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT customer_details FROM Customers EXCEPT SELECT T1.customer_details FROM Customers AS T1 JOIN Customer_Policies AS T2 ON T1.customer_id = T2.customer_id
List the date the claim was made, the date it was settled and the amount settled for all the claims which had exactly one settlement.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.claim_id , T1.date_claim_made , T1.Date_Claim_Settled FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id GROUP BY T1.claim_id HAVING count(*) = 1
Which claims had exactly one settlement? For each, tell me the the date the claim was made, the date it was settled and the amount settled.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT T1.claim_id , T1.date_claim_made , T1.Date_Claim_Settled FROM Claims AS T1 JOIN Settlements AS T2 ON T1.Claim_id = T2.Claim_id GROUP BY T1.claim_id HAVING count(*) = 1
Find the total claimed amount of all the claims.
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Claimed) FROM Claims
What is total amount claimed summed across all the claims?
-- Language PostgreSQL -- Tables: -- Table: customers columns : [['customer id', 'number'], ['customer details', 'text']] -- Table: customer policies columns : [['policy id', 'number'], ['customer id', 'number'], ['policy type code', 'text'], ['start date', 'time'], ['end date', 'time...
SELECT sum(Amount_Claimed) FROM Claims
Which department has the largest number of employees?
-- Language PostgreSQL -- Tables: -- Table: physician columns : [['employee id', 'number'], ['name', 'text'], ['position', 'text'], ['ssn', 'number']] -- Table: department columns : [['departmentid', 'number'], ['name', 'text'], ['head', 'number']] -- Table: affiliated with columns...
SELECT name FROM department GROUP BY departmentID ORDER BY count(departmentID) DESC LIMIT 1;
Find the department with the most employees.
-- Language PostgreSQL -- Tables: -- Table: physician columns : [['employee id', 'number'], ['name', 'text'], ['position', 'text'], ['ssn', 'number']] -- Table: department columns : [['departmentid', 'number'], ['name', 'text'], ['head', 'number']] -- Table: affiliated with columns...
SELECT name FROM department GROUP BY departmentID ORDER BY count(departmentID) DESC LIMIT 1;