What is aggregation and generalization Database management system

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What is aggregation and generalization? - Database management system

Presidency University, Bangalore - Database management system

By:Aparna-Dasgupta

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Aggregration is a process when relation between two entity is treated as a single entity. Here the relation between Center and Course, is acting as an Entity in relation with Visitor.

Generalization is a bottom-up approach in which two lower level entities combine to form a higher level entity. In generalization, the higher level entity can also combine with other lower level entity to make further higher level entity.

Fututron

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