ER Model and Business Rules A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s). True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Total specialization is represented by double lines between the supertype and subtype on an EER. 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 There is cardinality on an EER between the supertype and subtype. 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 Attribute Relationship Entity Optional One Attribute Relationship ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Rectangle Circle Diamond Oval Rectangle Circle Diamond Oval ANSWER DOWNLOAD EXAMIANS APP