MySQL is a SQL (Structured Query Language) database server. SQL is the most popular database language in the world. MySQL is a client server implementation that consists of a server daemon mysqld and many different client programs/libraries. The main goals of MySQL are speed and robustness. The base upon which MySQL is built is a set of routines that have been used in a highly demanding production environment for many years. While MySQL is actively developed, it already offers a rich and highly useful function set.