Many web applications and CMSs use MySQL databases to store contents. If you also use MySQL databases for your CMS, Blog, or website, then it is useful to learn an easy method to create database backups regularly. PhpMyAdmin is an application written in PHP.
Wamp Server is a web server platform having Apache, MySQL, and PHP. You can use it to test run a website written using PHP and MySQL locally on your computer. People use Wamp Server to test their websites CMSs like WordPress, Drupal, or Joomla.
XAMPP is an Apache server distribution which has MySQL, PHP, PERL, and some other softwares like phpMyAdmin. It's an extremely useful software which can be used to test a website locally on a personal computer.
