Enhanced Entity-Relationship Model (EER) - PowerPoint Presentation

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Uploaded On 2017-06-21

Enhanced Entity-Relationship Model (EER) - PPT Presentation

1 EnhancedER EER Model Concepts Includes all modeling concepts of basic ER Additional concepts subclasses superclasses specializationgeneralization categories attribute inheritance ID: 561866

member entity subclass superclass entity member superclass subclass employee subclasses specialization relationship disjoint participation constraints generalization attributes types model eer secretary relationships

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