phpMyAdmin is a free software that provides you a user friendly interface to work with MySQL on the web. It simply provides you a convenient visual frontend to access MySQL capabilities. This tutorial shows you the steps for installing phpMyAdmin on Ubunu Linux so before installing it make sure you must have root privileges on your virtual private server.
Yes you can access PhpMyAdmin section for managing your WordPress site’s MySQL database direct from your WP admin area dashboard.
Sometimes when you activate any wrong conflicting plugin, your WordPress admin section disappears. You can easily overcome this by three different methods discussed here.