https://www.jianshu.com/p/7b8c4dea6829
rpm -qa|grep -i mysqlyum list installed | grep mysql
yum -y remove mysql-community-release.noarch
[ 转载 ] Centos安装Mysql数据库纪录
原文：https://www.cnblogs.com/ILoke-Yang/p/10360425.html
