Just as PHP snippets provide a quick and sometimes elegant solution to common presentation, display, or interaction requirements, SQL snippets are shortcuts to providing specific configurations, and otherwise performing operations on the database which can't be achieved easily through the web interface or API.

Got a handy SQL script that you use as a configuration shortcut? A script to help move databases from one Drupal installation to another? How about a favorite SQL or database related tip or trick? Share it here!