如何在Centos7环境中安装mysql 8.0.13环境说明•操作系统：Centos7.4 (CentOS-7-x86_64-Minimal-1804.iso)•mysql：mysql8.0.13•卸载系统自带的mariadb-lib•查看mariadb版本rpm-qa|grepmariadbmariadb-libs-5.5.5