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. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Inheritance is which of the following? When a supertype entity inherits values of another supertype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of another supertype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of the supertype attribute When a subtype entity inherits values of another subtype attribute ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion must include which of the following? Corresponding object All of these Action Anchor object Corresponding object All of these Action Anchor object ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Action assertions have traditionally been implemented within an application program. False True False True 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). True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An oval represents which of the following in an EER? Optional One Relationship Attribute Entity Optional One Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
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