I'm looking forward to never making the following MySQL query again.
Actually, that query was a godsend, saving untold hours over the manual database edits I once made to accomplish the same thing.
UPDATE `post`, `user`
SET `post`.`userid` = `user`.`userid`
WHERE `post`.`username` = `user`.`username`
AND `usergroupid` =19
Today was a milestone in Cyburbia history ... well, at least on the back end. Almost every post, excluding those