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You are creating an enhanced entity relationship model for a campus information system. A junior team...

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Programming

You are creating an enhanced entity relationship model for acampus information system. A junior team member who is helping youasks you to describe the following terms with examples of relevantentities from the system, for example, students, activitiesetc.

1.       Supertype andSubtype

2.       Disjoint andOverlapping Discriminator

3.       Total and PartialCompleteness

4.       AttributeInheritance

Answer & Explanation Solved by verified expert
4.4 Ratings (762 Votes)
i Super Type and Sub type A supertype is a generic entity type that has a relationship with one or more subtypesA subtype is a subgrouping of the entities in an entity type that is meaningful to the organization and that shares    See Answer
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