mySQL: A minus B query - Get contents of table where the item does NOT exist in another table.

Quick Search:

mySQL: A minus B query

Jump to:

Snippet Name: A minus B query

Description: Get contents of table where the item does NOT exist in another table.

Comment: (none)

Language: MYSQL
Highlight Mode: MYSQL
Last Modified: March 01st, 2009

SELECT DISTINCT a.member_id, a.name
FROM a LEFT JOIN b USING (member_id, name)
WHERE b.member_id IS NULL