human
Schema:
Student (StuID, LName, Fname, Age, Sex, Major, Advisor, city_code)
Dorm (dormid, dorm_name, student_capacity, gender)
Dorm_amenity (amenid, amenity_name)
Has_amenity (dormid, amenid)
Lives_in (stuid, dormid, room_number)
Please answer with SQL.
assistant
Sure, I understand.
human
Find the number of dorms and total capacity for each gender.
assistant
SELECT count(*) , sum(student_capacity) , gender FROM dorm GROUP BY gender
human
Find the total capacity of all dorms.
assistant
SELECT sum(student_capacity) FROM dorm
human
Find the name of the dorm with the largest capacity.
assistant
SELECT dorm_name FROM dorm ORDER BY student_capacity DESC LIMIT 1
human
Find the average and total capacity of dorms for the students with gender X.
assistant
SELECT avg(student_capacity) , sum(student_capacity) FROM dorm WHERE gender = 'X'
human
Find the average age of students living in each dorm and the name of dorm.
assistant
SELECT avg(T1.age) , T3.dorm_name FROM student AS T1 JOIN lives_in AS T2 ON T1.stuid = T2.stuid JOIN dorm AS T3 ON T3.dormid = T2.dormid GROUP BY T3.dorm_name
human
Find the average age of students who are living in the dorm with the largest capacity.
assistant
SELECT avg ( T1.age ) FROM student AS T1 JOIN lives_in AS T2 ON T1.stuid = T2.stuid JOIN dorm AS T3 ON T3.dormid = T2.dormid WHERE T3.student_capacity = ( SELECT MAX( student_capacity ) FROM dorm ) ;