1、更新yum源
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
wget http:
//repo
.mysql.com
/mysql-community-release-el7-5
.noarch.rpm
rpm -ivh mysql-community-release-el7-5.noarch.rpm
2、安装：
yum install mysql-server
yum
install
mysql-server
3、其他..