centos7 yum安装mysql5.7

操作系统：centos7.1

数据库版本：mysql5.7.21 社区版

1.下载rpm包

wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
rpm -ivh mysql57-community-release-el7-8.noarch.rpm

rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm    #5.6的下载源

2.直接yum安装

yum install mysql-community-server -y

3.开启

systemctl start mysqld;systemctl enable mysqld

4.查看状态

systemctl status mysqld