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
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 supertype can only have only one subtype. False True False True 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 An action assertion must include which of the following? All of these Action Corresponding object Anchor object All of these Action Corresponding object Anchor object ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Packaged data models are meant to be exactly right straight out of the box. False True False True ANSWER DOWNLOAD EXAMIANS APP
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