Explain the need for enhanced entity relationship model

Enhanced entity–relationship model - Wikipedia

explain the need for enhanced entity relationship model

Enhanced Entity-Relationship (EER) Modeling Superclasses (1) An entity type may have additional meaningfuly yp y g subgroupings of of the superclass, specialization is called an attribute-defined specialization Attribute. When designing your database, an entity-relationship diagram (ER or ERD) is an But in some cases, you may want to opt for an enhanced entity-relationship diagram (EER or EERD) which includes a few What is an ER diagram? Multivalued attributes are attributes that can have more than one value. Enhanced ER Diagram Tutorial. What are your ERD needs? I'm new to ERDs and want to learn more. I want to make my own ERD in Lucidchart. I want to make .

explain the need for enhanced entity relationship model

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