━Start。平常心_

mysql5.7 centos7:

https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

mysql5.7 centos6:

https://dev.mysql.com/get/mysql57-community-release-el6-11.noarch.rpm

mysql5.6 centos7:

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

mysql5.6 centos6:

https://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm

vi的几种模式

• 一般模式
• 编辑模式
• 命令行模式