ER Model and Business Rules Which of the following statements concerning business rules is true? It should not be convertible to computer code. It may include restrictions. All of these It should be complex. It should not be convertible to computer code. It may include restrictions. All of these It should be complex. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Inheritance is which of the following? 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 When a supertype entity inherits values of another supertype attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy has which of the following features? Attributes are assigned at the lowest logical level. Attributes are assigned at the highest logical level. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. Attributes are assigned at the lowest logical level. Attributes are assigned at the highest logical level. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. 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 When an entity instance must be a member of only one 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
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