ER Model and Business Rules There is cardinality on an EER between the supertype and subtype. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion is a statement that expresses some aspect of the static structure of the organization. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An entity cluster is a set of one or more entity types and associated relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Use of a supertype/subtype relationship is necessary when which of the following exists? No attributes apply to any of the instances of an entity type. An instance of a subtype participates in a relationship that is unique to that subtype. An instance of a subtype participates in a relationship that is the same as the other subtypes. Attributes apply to all of the instances of an entity type. No attributes apply to any of the instances of an entity type. An instance of a subtype participates in a relationship that is unique to that subtype. An instance of a subtype participates in a relationship that is the same as the other subtypes. Attributes apply to all of the instances of an entity type. 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
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