1.下载
命令下载：wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz
2.解压
解压命令：rpm -ivh mysql-community-release-el7-5.noarch.rpm
3授权
授权命令：chmod +x mysql-community-release-el7-5.noarch.rpm
4.依赖
依赖命令：yum install mysql-community-server
5.重启MySQL
命令：service mysqld restart
6.进入
命令：mysql -u root