ER Model and Business Rules A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings. False True False True ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A rectangle represents which of the following in an EER? Optional One Attribute Entity Relationship Optional One Attribute Entity Relationship ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied. False True False True 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
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 A supertype/subtype hierarchy is which of the following? Each subtype has only one attribute. Each subtype has only one supertype. Each supertype has only one subtype. Each supertype has only one attribute. Each subtype has only one attribute. Each subtype has only one supertype. Each supertype has only one subtype. Each supertype has only one attribute. ANSWER DOWNLOAD EXAMIANS APP
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