说明：  MySQL是一个真正的多用户、多线程SQL数据库服务器。SQL（结构化查询语言）是世界上最流行的和标准化的数据库语言，它使得存储、更新和存取信息更加容易。
(MySQL is a real multi user, multi-threaded SQL database server. SQL (Structured Query Language) is the most popular and standardized database language in the world, which makes it easier to store, update, and access information.)