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No plagarism Discuss how and when aggregates are used. a. When are they introduced on our diagram? b. How many relationships are allowed in an

No plagarism

Discuss how and when aggregates are used. a. When are they introduced on our diagram? b. How many relationships are allowed in an aggregate? c. What is the difference between a many to many relationship with attributes on our diagram vs an aggregate? Give examples d. Illustrate the following scenario.

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