ER Model and Business Rules A subtype discriminator is which of the following? 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 subtype An attribute of the subtype whose values determine the supertype 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 subtype An attribute of the subtype whose values determine the supertype ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A subtype entity name should be which of the following? All of these A singular noun Concise Specific to the organization All of these A singular noun Concise Specific to the organization 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 When an entity instance must be a member of only one subtype, it is which of the following? Overlap with total specialization Disjoint with partial specialization Overlap with partial specialization Disjoint with total specialization Overlap with total specialization Disjoint with partial specialization Overlap with partial specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity cluster is a set of one or more entity types and associated relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype can only have only one subtype. False True False True ANSWER DOWNLOAD EXAMIANS APP
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