What does it mean precisely ?

MySQL is a program that
- understands sql requests
- functions on a tcp/ip network via port 3306 or in a local socket

SQL requests are defined under ISO norm. We can speak of standards, for example :

• SELECT - permits the searching
• INSERT
• DELETE
• UPDATE

Manuals related to MySQL

Managing your BasesMySQL.
How to connect from a distance to a MySQL database on your dedicated server:DistantMySQLConnection
How to directly search for manuals on MySQL :
Install and use InstallPhpMyAdmin

Official Links

Official site for MySQL : http://www.mysql.com