centos系统安装MySQL5.7.22

1、下载官网链接： https://dev.mysql.com/downloads/mysql/5.7.html#downloads 或 在线下载：wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz 2、解压 tar zxvf mysql-5.7.22-linux-gl

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