No match for argument: mysql-community-server
Error: Unable to find a match: mysql-community-server
1.centos8.0上安装mysql服务时，使用以下命令报错：
yum install mysql-community-server
2.执行如下命令可正常安装mysql服务：
sudo yum install mysql-server
参考链接：https://www.freesion.com/article/5071424015/