Removing MySQL 5.7 Completely

I am trying to uninstall mysql from my ubuntu 12.04 completely. But not able to. I tried a lot of commands. But nothing is working. Can anyone help out here! sudo apt-get remove mysql-server mysql-client mysql-common sudo apt-get autoremove I am not able to understand what to do. I want to remove everything regarding MySQL. Whenever I am trying to locate it. I am getting that. I want everything to be removed. mysql-server, mysql-client, mysql-libraries and even configuration. Please help me!!!