ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. False True False True 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 total specialization Overlap with total specialization Disjoint with partial specialization Overlap with partial specialization Disjoint with total specialization Overlap with total specialization Disjoint with partial specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy is which of the following? Each supertype has only one attribute. Each supertype has only one subtype. Each subtype has only one supertype. Each subtype has only one attribute. Each supertype has only one attribute. Each supertype has only one subtype. Each subtype has only one supertype. Each subtype has only one attribute. 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 subtype An attribute of the supertype whose values determine the supertype An attribute of the supertype whose values determine the subtype 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 supertype An attribute of the supertype 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 rectangle represents which of the following in an EER? Entity Relationship Attribute Optional One Entity Relationship Attribute Optional One 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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