An entity instance of a subtype represents the same entity instance of a supertype. False True TRUE ANSWER : ? YOUR ANSWER : ?
There is cardinality on an EER between the supertype and subtype. False True TRUE ANSWER : ? YOUR ANSWER : ?
Specialization is which of the following processes? Defining one or more subtypes of the supertype and not 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 forming supertype/subtype relationships. TRUE ANSWER : ? YOUR ANSWER : ?
Total specialization is represented by double lines between the supertype and subtype on an EER. True False TRUE ANSWER : ? YOUR ANSWER : ?
A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings. True False TRUE ANSWER : ? YOUR ANSWER : ?
Inheritance is which of the following? 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 the supertype attribute When a subtype entity inherits values of another subtype attribute TRUE ANSWER : ? YOUR ANSWER : ?
An action assertion is a statement that expresses some aspect of the static structure of the organization. False True TRUE ANSWER : ? YOUR ANSWER : ?
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 ANSWER : ? YOUR ANSWER : ?
When an entity instance must be a member of only one subtype, it is which of the following? Overlap with partial specialization Disjoint with total specialization Overlap with total specialization Disjoint with partial specialization TRUE ANSWER : ? YOUR ANSWER : ?
Action assertions have traditionally been implemented within an application program. True False TRUE ANSWER : ? YOUR ANSWER : ?