Database Fundamentals
Structured Query Language (SQL)
SQL is a standard language for accessing databases.
External Links:
Complete information about MySQL Database ->
http://dev.mysql.com/doc/refman/5.0/en/index.html
http://dev.mysql.com/doc/refman/5.0/en/tutorial.html
http://www.mysql.com/why-mysql/white-papers/mysql_wp_online_apps.php