Create an entity relationship diagram and the relational diagram to show relationship between all the tables of a database in the below given business rules. Each table must have minimum 3 attributes. i) A STUDENT can take many MODULES (in a university). Each MODULE is taken by many STUDENTS. ii) Each MODULE is taught in many Classes. Each CLASS conducts a MODULE.

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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.