Databases are everywhere these days. Whether you realize it or not, you’re probably using one, at least indirectly, as the backbone of your blog or website. WordPress, Joomla! and Drupal all use MySQL to store content and site settings. If you are running a website on shared hosting you have access to one too; most probably MySQL. If your database has been around awhile and supported multiple applications, some of which may be extinct by now, you might have some orphaned tables hanging around. Today I’ll show you an important and powerful technique to kick those tables to the curb.