Skip to content

Instantly share code, notes, and snippets.

@benedict-w

benedict-w/remove_orphans.sql

Created April 3, 2013 09:20
Show Gist options
  • Save benedict-w/5299690 to your computer and use it in GitHub Desktop.
Save benedict-w/5299690 to your computer and use it in GitHub Desktop.
Download ZIP
mysql remove orphans
Raw
remove_orphans.sql
DELETE FROM `_table_1`
WHERE `_key` NOT IN (SELECT `key` FROM `_table_2`)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment