MySQL is fully networked cross-platform relational database system, and is a client / server architecture of distributed database management system. MySQL is fully networked cross-platform relational database system, and is a client / server architecture of distributed database management system. It has the strong function, easy to use, easy management, running speed, security, reliability, etc., the user can use to access MySQL database in many language programs, especially in combination with the php is gold, the use of a wide range.