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Question - Explain the terms specialization and generalization

Answer -

Specialization: Specialization is a process of defining a set of subclasses of the entity type. Here, each subclass will contain all the attributes and relationships of the parent entity. Apart from this, the subclasses may contain additional attributes and relationships specific to itself.
Generalization: Generalization is a process of finding relations, common attributes for a particular set of entities; and finally defining a common superclass for them.

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