Union
From SQLZoo
Make union between different tables to build one single view or request?
schema:gisq
List a number of SELECT statements separated by the UNION key word. Be sure that you have the same number of columns in each of the SELECT statements.
SELECT name FROM bbc WHERE name LIKE 'Z%'
UNION
SELECT name FROM actor WHERE name LIKE 'Z%'
SELECT name FROM bbc WHERE name LIKE 'Z%'
UNION
SELECT name FROM actor WHERE name LIKE 'Z%'
SELECT name FROM bbc WHERE name LIKE 'Z%'
UNION
SELECT name FROM actor WHERE name LIKE 'Z%'
SELECT name FROM bbc WHERE name LIKE 'Z%'
UNION
SELECT name FROM actor WHERE name LIKE 'Z%'
UNION will be available from version 4
