If you use a script-driven application for your website, any data which both you and the site users create shall be stored inside a database - an accumulation of data, which is organized in cells and tables for easier reading and writing. The latter is accomplished by employing special software referred to as database management system and one of the most well-known ones globally is MySQL. A lot of script applications are created to work with MySQL as it is easy to use, it performs exceptionally well on a web server and it is universal as it can work with common web programming languages (PHP, Java, Perl, Python) and on a number of web server Operating Systems (UNIX, Linux, Windows). There are thousands of scripts that use MySQL, including popular ones for instance WordPress, Joomla and Moodle.