Setting up Your Drupal Module's Install File - buildamodule.com

Sometimes your module needs to store unique data or make adjustments to Drupal settings when it's installed. If your module is one of these, you'll need to use a .install file and the Schema API to install your database tables. Sound scary? No worries, I'll walk you through the process of creating an install file, setting up tables and even performing special set up tasks when your module is installed.