human
Schema:
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Faculty (FacID, Lname, Fname, Rank, Sex, Phone, Room, Building)
Department (DNO, Division, DName, Room, Building, DPhone)
Member_of (FacID, DNO, Appt_Type)
Course (CID, CName, Credits, Instructor, Days, Hours, DNO)
Minor_in (StuID, DNO)
Enrolled_in (StuID, CID, Grade)
Gradeconversion (lettergrade, gradepoint)
Please answer with SQL.
assistant
Sure, I understand.
human
What are the first and last names of the instructors who teach the top 3 number of courses?
assistant
SELECT T2.Fname , T2.Lname FROM COURSE AS T1 JOIN FACULTY AS T2 ON T1.Instructor = T2.FacID GROUP BY T1.Instructor ORDER BY count(*) DESC LIMIT 3
human
Find the first name of students not enrolled in any course.
assistant
SELECT Fname FROM STUDENT WHERE StuID NOT IN (SELECT StuID FROM ENROLLED_IN)
human
What are the first names and last names of the students that minor in the department with DNO 140.
assistant
SELECT T2.Fname , T2.Lname FROM MINOR_IN AS T1 JOIN STUDENT AS T2 ON T1.StuID = T2.StuID WHERE T1.DNO = 140
human
Find the distinct student first names of all students that have grade point at least 3.8 in one course.
assistant
SELECT DISTINCT T3.Fname FROM ENROLLED_IN AS T1 JOIN GRADECONVERSION AS T2 JOIN STUDENT AS T3 ON T1.Grade = T2.lettergrade AND T1.StuID = T3.StuID WHERE T2.gradepoint >= 3.8
human
Find the first name of students in the descending order of age.
assistant
SELECT Fname FROM STUDENT ORDER BY Age DESC
human
What are the first names for students who have an 'a' in their first name?
assistant
SELECT DISTINCT Fname FROM STUDENT WHERE Fname LIKE "%a%" ;