install/install mysql in rhel linux

install/install mysql in rhel linux
ref :
https://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html
1) get the URL for the mysql rpm
sudo wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

2) sudo yum install mysql57-community-release-el7-8.noarch.rpm


3) now install the server.
cmd : sudo yum install mysql-community-server

4) sudo service mysqld start

5) remove the mysql server.
cmd : yum remove mysql mysql-server