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Question 1.

Discuss the following elements as they relate to the Entity-Relationship Model: Entities, Attributes, Identifiers, and Relationships.

Question 2.

List and give an example of the three types of binary relationships other than the, (1:1), (1:N), or (N:M) Draw both a traditional E-R diagram and an IE Crow's Foot E- R diagram for each.

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