Inheritance in the enhanced entity relationship model

inheritance in the enhanced entity relationship model

Includes all modeling concepts of basic ER. ○ Additional concepts: subclasses/ superclasses, specialization/generalization, categories, attribute inheritance. The ultimate guide to understanding enhanced entity-relationship diagrams ( EERD) and Inheritance - the concept that subtype entities inherit the values of all. cepts of class/subclass relationships and type inheritance into the ER model. The first Enhanced ER (EER) model concept we take up is that of a subtype or.

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inheritance in the enhanced entity relationship model

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inheritance in the enhanced entity relationship model

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