ER Model and Business Rules Inheritance is which of the following? 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 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 ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules A supertype/subtype hierarchy has which of the following features? Attributes are assigned at the highest logical level. Attributes are assigned at the lowest 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 highest logical level. Attributes are assigned at the lowest 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 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 A subtype entity name should be which of the following? Concise A singular noun All of these Specific to the organization Concise A singular noun All of these Specific to the organization ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules There is cardinality on an EER between the supertype and subtype. False True False True ANSWER DOWNLOAD EXAMIANS APP