Find the name of the courses that do not have any prerequisite?
CREATE TABLE prereq (title VARCHAR, course_id VARCHAR); CREATE TABLE course (title VARCHAR, course_id VARCHAR)
SELECT title FROM course WHERE NOT course_id IN (SELECT course_id FROM prereq)
### Context: CREATE TABLE prereq (title VARCHAR, course_id VARCHAR); CREATE TABLE course (title VARCHAR, course_id VARCHAR) ### Question: Find the name of the courses that do not have any prerequisite? ### Answer: SELECT title FROM course WHERE NOT course_id IN (SELECT course_id FROM prereq)