Question: Write a query that returns a list of course _ ids from the course table for courses that do not have any prerequisites listed in
Write a query that returns a list of courseids from the course table for courses that do not have any prerequisites listed in the prereq table. This should be sorted from smallest to largest. Your solution must use a SET operator.
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
