说明：  MySQL是一个精巧的SQL数据库管理系统，虽然它不是开放源代码的产品，但在某些情况下你可以自由使用。由于它的强大功能、灵活性、丰富的应用编程接口（API）以及精巧的系统结构，受到了广大自由软件爱好者甚至是商业软件用户的青睐，特别是与Apache和PHP/PERL结合，为建立基于数据库的动态网站提供了强大动力。
(MySQL is a sophisticated SQL database management system, although it is not open source products, but in some cases, you are free to use. Because of its powerful features, flexibility, rich application programming interface (API), as well as sophisticated system architecture, by the vast number of free software enthusiasts and even commercial software customers, especially with Apache and PHP/PERL combination for database based on dynamic Web site provides a powerful driving force.)