进入官网：http://www.mysql.com

选择社区版本得到MySQL

选择对应的版本和系统进行安装

用wget进行软件包下载

wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.32-1.el9.x86_64.rpm-bundle.tar

解压该软件包

tar -xf mysql-8.0.32-1.el9.x86_64.rpm-bundle.tar

安装MySQL软件包以及它所有的依赖包

yum localinstall mysql-community-server-8.0.32-1.el9.x86_64.rpm \
> mysql-community-client-8.0.32-1.el9.x86_64.rpm \
> mysql-community-common-8.0.32-1.el9.x86_64.rpm \
> mysql-community-client-plugins-8.0.32-1.el9.x86_64.rpm \
> mysql-community-icu-data-files-8.0.32-1.el9.x86_64.rpm \
> mysql-community-libs-8.0.32-1.el9.x86_64.rpm -y

启动mysql服务

systemctl restart mysqld

如有其他疑问后续步骤可参考此处