SQL Tutorial. Sql server - How to alter length of varchar in composite primary key. How to Connect to the MySQL Database. In order for your MySQL database to work as intended, it will need a script calling or querying the database for the information it stores.
In order to do this, you must connect your script to the database with a configuration file. If you are not sure where your configuration file is, check this list of different scripts to find its location: Location of Script Configuration Files Database driven scripts, such as Wordpress, WHMCS and Joomla, will generally have a default configuration file ready for you to edit with the appropriate information.