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Analysis and Design
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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