human
Schema:
classroom (building, room_number, capacity)
department (dept_name, building, budget)
course (course_id, title, dept_name, credits)
instructor (ID, name, dept_name, salary)
section (course_id, sec_id, semester, year, building, room_number, time_slot_id)
teaches (ID, course_id, sec_id, semester, year)
student (ID, name, dept_name, tot_cred)
takes (ID, course_id, sec_id, semester, year, grade)
advisor (s_ID, i_ID)
time_slot (time_slot_id, day, start_hr, start_min, end_hr, end_min)
prereq (course_id, prereq_id)
Please answer with SQL.
assistant
Sure, I understand.
human
can you show me the name and salary of all instructors?
assistant
SELECT name , salary FROM instructor;
human
How much does the biology professor make?
assistant
SELECT name , salary FROM instructor WHERE dept_name = 'Biology';
human
How many professors make more than Valtchev?
assistant
SELECT COUNT( * ) FROM instructor WHERE salary > ( SELECT salary FROM instructor WHERE name = "Valtchev" ) ;