('ANATR', 'Ana Trujillo Emparedados y helados', 'Ana Trujillo', 'Mexico D.F.', NULL, 'Mexico', '(5) 555-4729', 'anatr@gmail.com'); ...
DEFINITION :- Set operation are used to combine the result(rows) of two or more select queries into a single result . unlike the join where we needed the key col here ...