Mysql is the world's most popular database for Internet use, powering applications on thousands of websites. It's used in most blogs (such as Wordpress), most CMS's (such as Joomla and Drupal), and most forums (such as phpBB). It's very likely that you use one or more Mysql databases.
Mysql databases need to be backed-up, and backup should usually be done more than once per day. Rimuhosting (my VPS provider, which I highly recommend) backs up VPS servers once per week. read more »