回答-BFW问答

1.创建原始MySQL数据的备份

mv / var / lib / mysql /var/lib/mysql.original

2.下载MySQL 5.7 RPM

wget http://repo.mysql.com/mysql57-community-release-el7.rpm -P / tmp /

3.删除包含MySQL 5.6的MySQL-Community RPM

yum remove mysql-community-release

4.安装MySQL 5.7 RPM

rpm -ivh /tmp/mysql57-community-release-el7.rpm

5.将MySQL系统信息库更新为5.7

yum update mysql

6.让MySQL知道它已收到升级

mysql_upgrade

回答