CentenOS 7 安装Mysql5.6.51

​ 1 mysql ​ 2 rpm -qa | grep mariadb ​ 3 rpm -e --nodeps ​ 4 mariadb-libs-5.5.60-1.el7_5.x86_64 ​ 5 rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64 ​ 6 rpm -qa | grep mariad…