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 rectangle represents which of the following in an EER? Optional One Relationship Entity Attribute Optional One Relationship Entity Attribute 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 Specialization is which of the following processes? Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. Defining one or more subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. ANSWER DOWNLOAD EXAMIANS APP
ER Model and Business Rules An action assertion must include which of the following? Corresponding object Action All of these Anchor object Corresponding object Action All of these Anchor object 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