How to Use MySQL Foreign Keys for Quicker Database Development

http://www.sitepoint.com/blogs/2009/03/12/mysql-foreign-keys-quicker-database-development/

MySQL: tinyint(1) and tinyint(4), which one is bigger?

http://www.phpmag.ru/2009/02/15/mysql-tinyint1-and-tinyint4-which-one-is-bigger/

The most powerful MySQL command (Explain)

http://www.rawseo.com/news/2009/03/26/the-most-powerful-mysql-command/

Use PHP to backup your Mysql Databases

http://www.php-mysql-tutorial.com/perform-mysql-backup-php.php