一个多线程的，结构化查询语言(SQL)数据库服务器，MySQL 的执行性能非常高，运行速度非常快，并非常容易使用，是一个非常捧的数据库。
If you have an online connection while running the MySQL Installer, choose the mysql-installer-web-community file.
If you do NOT have an online connection while running the MySQL Installer, choose the mysql-installer-community file.
If you have an online connection while running the MySQL Installer, choose the mysql-installer-web-community file.
If you do NOT have an online connection while running the MySQL Installer, choose the mysql-installer-community file.
