I need ER  Diagram with ER diagram symbols and notations (as in rectangle, diamond, ellipse, ect). Show the all the entity relationships clearly. Thanks.    a) Represent the following information using ER Diagram symbols and identify different types of attributes used: b) From the above-given information, determine which is an entity, an entity type, and an entity set defining each of these terms in one or 2 lines.

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A: I will explain it in details,

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A: The answer is

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A: Answer is given below

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Q: I need answer within 20 minutes ple

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A:

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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.