MySQL offers a database that integrated into websites and web applications. As a very popular choice for putting databases into web applications, MySQL is a central component of the widely used LAMP software stack. MySQL is used by free-software open source projects that need a full feature database management system and frequently regarded as one of the worlds most widely used database management systems.
Applications using MySQL databases include: TYPO3, MODx, Joomla, WordPress, phpBB, MyBB, Drupal and other software. MySQL is also used in many high-profile large-scale websites including Wikipedia, Google (not for searches), Facebook, Twitter, Flickr, and YouTube.