ER Model and Business Rules Inheritance is which of the following? When a supertype entity inherits values of another supertype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a supertype entity inherits values of another supertype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An oval represents which of the following in an EER? Relationship Optional One Entity Attribute Relationship Optional One Entity Attribute 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 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? Overlap with partial specialization Overlap with total specialization Disjoint with partial specialization Disjoint with total specialization Overlap with partial specialization Overlap with total specialization Disjoint with partial specialization Disjoint with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype can only have only one subtype. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which one of the following symbols is not used in an ERD? Oval Rectangle Diamond Circle Oval Rectangle Diamond Circle ANSWER DOWNLOAD EXAMIANS APP
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