Scheduling posts via sql

The closest thing I can think of is a plug-in which will periodically take a draft and publish it for you.
http://wordpress.org/plugins/drafts-scheduler/
Maybe that will help you.

Update: above plugin has some issues so I wrote another one for this purpose.
http://www.superblogme.com/auto-post-scheduler/

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)