MVC Paradigm

The three-part arrangement of this application (GUI, database, and procedures) may look like déjà vu because this is the classical approach of the so-called MVC (Model View Controller) paradigm. MVC paradigm's goal is to separate the data structure, the presentation, and the application logic. First, these components can be developed separately. Second, you can change one of these components without modifying the other ones (i.e., you can change the presentation without modifying the data structure or the application logic).