ER Model and Business Rules It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An ERD that has had the entities clustered will display more entities. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype discriminator is which of the following? An attribute of the subtype whose values determine the supertype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the subtype An attribute of the subtype whose values determine the supertype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the subtype ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following statements concerning business rules is true? All of these It should be complex. It may include restrictions. It should not be convertible to computer code. All of these It should be complex. It may include restrictions. It should not be convertible to computer code. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules 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? Overlap with partial specialization Disjoint with partial specialization Overlap with total specialization Disjoint with total specialization Overlap with partial specialization Disjoint with partial specialization Overlap with total specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP
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