Minus « Result Set « Oracle PL / SQL

1.MINUS: returns all those records from the first query, but not the second
2.minus with like operator
3.One result set 'minus' another result set
4.An MINUS query that uses an ORDER BY clause
5.Use COUNT to count the rows from a subquery with set operator
6.Minus id column
7.Understanding Intersections and Differences
8.All locations, where courses are offering, have no departments