[Jordan]

Here are some free SQL tutorials.

http://www.sqlcourse.com/
http://sqlzoo.net/
http://www.1keydata.com/sql/sql.html - Very nice resource of SQL commands such as insert, select and update.
http://www.webdevelopersnotes.com/tutorials/sql/
http://www.tizag.com/sqlTutorial/

And here is a list of SQL tutorials
http://www.techtutorials.info/dataSQL.html

Post any that you have used before.