How to access a website database? Firstly I'm extreamly new to drupal and right now I was given a task to edit a currently online published website. The old designer didn't left me with any idea but from what I was told, the website uses Drupal to operate. I'm more to the classical way of building a website, for example: I create the scripts and upload it to a server and the server published it online. So how do I acess the website's database to make all the necessary changes to the scripts?

Thanks in advance.
The short answer: you don't generally access the database in Drupal.  Drupal serves as an intermediary between you and the database, and if you access the database directly more than likely you are going to cause yourself many problems in the long run, especially in the beginning when you're not very familiar with Drupal.

For more, see Understanding Drupal and the Structure Guide on Drupal.org.