MySQL is popular for web applications and acts as the database component of the LAMP, MAMP, and WAMP platforms (Linux/Mac/Windows-Apache-MySQL-PHP/Perl/Python), and for open-source bug tracking tools like Bugzilla. Its popularity for use with web application is closely tied to the popularity of PHP, which is often combined with MySQL.
PHP and MySQL are essential components for running popular content management systems such as WordPress and Drupal blogging platforms.
PHP + MySQL and be used to create application and dynamic webpages. This php mysql tutorial teaches you to create a simple web application in just a few steps.