Display the names of the states in which customers reside but for which there is no salesperson residing in that state. Use a set command UNION, INTERSECT, or MINUS in your query without using a WHERE clause.

Display the customer names of all customers who have ordered (on the same or different orders) both products with IDs 3 and 4. Use a set command UNION, INTERSECT, or MINUS in your query

db_pvfc12_big