Question: Write a relational algebra statement that produces a relation showing courses that do not have a prereq Your output should have the following columns (

Write a relational algebra statement that produces a relation showing courses that do not have a prereq
Your output should have the following columns (names should match exactly; there should be no prefixes):
course_id
title
dept_name
credits
You may not use the anti-join: operator
You should use the course and prereq tables.

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