Eer Diagram Eer Model Example. Eer diagram examples with solutions. Er modeling helps you to analyze data requirements systematically to make a effectively developed database.
One entity type might be a subtype of another very similar to subclasses in oo programming which inherits the attributes and relationships of the first entity. The eer diagram or enhanced entity relationship eer model in computer science is a high level or conceptual data model incorporating extensions to the original entity relationship e. These concepts are used when the comes in eer schema and the resulting schema diagrams called as eer diagrams.
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