wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

rpm -ivh mysql-community-release-el7-5.noarch.rpm

yum install mysql-community-server

service mysqld start

mysql -uroot

mysql> set password for ‘root’@‘localhost’ = password(‘passwd‘);

mysql> exit

Centos7 Yum安装MySql