UNION

From SQLZOO
Revision as of 11:52, 10 September 2012 by 122.165.19.215 (Talk)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

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
Personal tools
Namespaces

Variants
Actions
Reference
Toolbox
Google AdSense