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 subtype entity inherits values of the supertype attribute When a supertype entity inherits values of the subtype attribute When a supertype entity inherits values of another supertype attribute When a subtype entity inherits values of another subtype attribute When a subtype entity inherits values of the supertype attribute When a supertype entity inherits values of the subtype attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules When an entity instance must be a member of only one subtype, it is which of the following? Disjoint with partial specialization Disjoint with total specialization Overlap with partial specialization Overlap with total specialization Disjoint with partial specialization Disjoint with total specialization Overlap with partial specialization Overlap with total specialization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy is which of the following? Each supertype has only one attribute. Each supertype has only one subtype. Each subtype has only one attribute. Each subtype has only one supertype. Each supertype has only one attribute. Each supertype has only one subtype. Each subtype has only one attribute. Each subtype has only one supertype. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Which of the following is not one of the three ways to classify an action assertion? Authorization Condition Enabler Integrity Control Authorization Condition Enabler Integrity Control ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type. False True False True 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
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