Using the scenario, produce Design Documentation for Plug-Ins Electronics. Your database design documentation should incllude:. 2.a) Entity Reilationship Diagram and Data dictionaries for each of the tables you feel should be created in the database.

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Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.