What are data models, Database Management System

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What are data models? Explain it detail?

Entity relationship model

Rectangles

Ellipse

Diamonds

Lines

Relational model

Relational model use a collection of tables to show both data and the relationships between those data. Every table has a multiple columns and each columns has unique name

Other data models

Object oriented data model

Object relational data model

Network data model

Hierarchical data model

 

 


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