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 subtype entity inherits values of another subtype attribute When a supertype entity inherits values of another supertype attribute When a subtype entity inherits values of the supertype attribute When a supertype entity inherits values of the subtype attribute When a subtype entity inherits values of another subtype attribute When a supertype entity inherits values of another supertype 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 An oval represents which of the following in an EER? Entity Attribute Relationship Optional One Entity Attribute Relationship Optional One ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion must include which of the following? All of these Corresponding object Anchor object Action All of these Corresponding object Anchor object Action ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Generalization is the process of defining more general entity types from a set of more specialized entity types. True False True False ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules Packaged data models are meant to be exactly right straight out of the box. False True False True ANSWER DOWNLOAD EXAMIANS APP