[3] Please convert following EERD to a schema. In each table, the primary key and foreign keys (arrows) must be identified. tinent) Vin Model N VEHICLE d Sid Price SALE Date SALESPERSON Name Laboratory Evercings 1 CAR Ssn TRUCK SUV CUSTOMER Name Engine_size Tonnage No seats Address State City Street Laboratory Exercises 301 Figure 9.9 EER diagram for a car dealer

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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.