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 A subtype discriminator is which of the following? An attribute of the supertype whose values determine the subtype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the supertype An attribute of the supertype whose values determine the subtype An attribute of the subtype whose values determine the subtype An attribute of the supertype whose values determine the supertype An attribute of the subtype whose values determine the supertype 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 When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following? Disjoint with total specialization Overlap with partial specialization Disjoint with partial specialization Overlap with total specialization Disjoint with total specialization Overlap with partial specialization Disjoint with partial specialization Overlap with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An oval 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 Total specialization is represented by double lines between the supertype and subtype on an EER. True False True False ANSWER DOWNLOAD EXAMIANS APP
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