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 Total specialization is represented by double lines between the supertype and subtype on an EER. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Packaged data models are meant to be exactly right straight out of the box. True False True False 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 Which one of the following symbols is not used in an ERD? Circle Diamond Rectangle Oval Circle Diamond Rectangle Oval 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
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