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Relational Data Modeling and Object Oriented Data Modeling Techniques

At the end of this chapter, you will be able to know about relational data modeling and Object Oriented data modeling techniques.In the last chapter we saw one data modeling technique, Entity Relationship data model. Having the basic knowledge of data modeling we can now explore other methods for data modeling. There are many data models available. Network, hierarchical, relational and object oriented databases. In this section, we'll take relational model and object oriented model.

Relational Database Model

Different Types of Keys in Relational Database Model

Integrity Rules

Extensions and intensions

Key Constraints

Relational Algebra

Traditional set operators

Special Relational Operators

Object oriented Model

Encapsulation of Operations, Methods, and Persistence

Comparison Between Relational Database Model and Object Oriented Model


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