EXAMIANS
Generalization is the process of defining more general entity types from a set of more specialized entity types.
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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.
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Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
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A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s).
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Which of the following is not one of the three ways to classify an action assertion?
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A subtype entity name should be which of the following?
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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?
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An entity instance of a subtype represents the same entity instance of a supertype.
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A rectangle represents which of the following in an EER?
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When an entity instance must be a member of only one subtype, it is which of the following?
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