human
Schema:
Activity (actid, activity_name)
Participates_in (stuid, actid)
Faculty_Participates_in (FacID, actid)
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Faculty (FacID, Lname, Fname, Rank, Sex, Phone, Room, Building)
Please answer with SQL.
assistant
Sure, I understand.
human
What is the first and last name of the faculty participating in the most activities?
assistant
SELECT T1.fname , T1.lname FROM Faculty AS T1 JOIN Faculty_participates_in AS T2 ON T1.facID = T2.facID GROUP BY T1.FacID ORDER BY count(*) DESC LIMIT 1
human
Show the ids for all the faculty members who have at least 2 students.
assistant
SELECT T1.FacID FROM Faculty AS T1 JOIN Student AS T2 ON T1.FacID = T2.advisor GROUP BY T1.FacID HAVING count(*) >= 2
human
Show the ids of all the faculty members who participate in an activity and advise a student.
assistant
SELECT FacID FROM Faculty_participates_in INTERSECT SELECT advisor FROM Student
human
What is the name of the activity that has the most faculty members involved in?
assistant
SELECT T1.activity_name FROM Activity AS T1 JOIN Faculty_participates_in AS T2 ON T1.actID = T2.actID GROUP BY T1.actID ORDER BY count(*) DESC LIMIT 1
human
How many faculty members participate in an activity?
assistant
SELECT count(DISTINCT FacID) FROM Faculty_participates_in
human
Which faculty do not participate in any activity? Find their faculty ids.
assistant
SELECT FacID FROM Faculty EXCEPT SELECT FacID FROM Faculty_participates_in ;