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 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? Disjoint with total specialization 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 ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity instance of a subtype represents the same entity instance of a supertype. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An oval represents which of the following in an EER? Optional One Relationship Attribute Entity Optional One Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following is not one of the three ways to classify an action assertion? Authorization Enabler Integrity Control Condition Authorization Enabler Integrity Control Condition ANSWER DOWNLOAD EXAMIANS APP
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. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS