ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules When an entity instance must be a member of only one subtype, it is which of the following? Overlap with total specialization Overlap with partial specialization Disjoint with partial specialization Disjoint with total specialization Overlap with total specialization Overlap with partial specialization Disjoint with partial specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Rectangle Oval Diamond Circle Rectangle Oval Diamond Circle 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 A subtype discriminator is which of the following? An attribute of the supertype whose values determine the supertype An attribute of the subtype 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 supertype whose values determine the supertype An attribute of the subtype 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 A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings. True False True False ANSWER DOWNLOAD EXAMIANS APP
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