centos7安装mysql过程

yum install mysql
yum install mysql-server
yum install mysql-devel

yum install mariadb-server mariadb 

systemctl start mariadb  #启动MariaDB
systemctl stop mariadb  #停止MariaDB
systemctl restart mariadb  #重启MariaDB
systemctl enable mariadb  #设置开机启动

mysqladmin -u root password "123";

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION ;
FLUSH PRIVILEGES ;