Given the following E-R diagram, map it to a relational schema. First draw a logical data (schema) model (table diagram with foreign keys shown) using the schema example of the required form. Then write the SQL Data Definition Language statements necessary to create the relational schema. Customer Custonerio CustomerPhone ((Phone)) Owns Credit Card CardID Card Type CreditLimit Associated With ++ StorelD Location Store NOTE: {{ }) denotes multi-valued attribute 7 Purchased At Transaction Transaction D Date Amount

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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.