A rectangle represents which of the following in an EER?
Answer: C
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An oval represents which of the following in an EER?
Answer: A
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An ERD that has had the entities clustered will display more entities.
Answer: B
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Action assertions have traditionally been implemented within an application program
Answer: A
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An entity cluster is a set of one or more entity types and associated relationships.
Answer: A
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A supertype/subtype hierarchy has which of the following features?
Answer: B
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It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type.
Answer: A
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Which of the following is not one of the three ways to classify an action assertion?
Answer: D
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When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?
Answer: C
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If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given supertype.
Answer: B
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