ER Model and Business Rules A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s). False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A rectangle represents which of the following in an EER? Entity Optional One Relationship Attribute Entity Optional One Relationship Attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Action assertions have traditionally been implemented within an application program. False True False True 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
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Oval Circle Rectangle Diamond Oval Circle Rectangle Diamond 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 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
EXAMIANS