With the Model-View-Controller pattern, you can separate your application's data access from its business logic, its data display from its user interaction, and its user interaction from its data presentation. Additionally, it separates data display from user interaction. Within the scope of this debate or explanation, we will.

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Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.