Packaged data models are meant to be exactly right straight out of the box. True False TRUE ANSWER : ? YOUR ANSWER : ?
An action assertion must include which of the following? Anchor object Action Corresponding object All of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not one of the three ways to classify an action assertion? Condition Enabler Integrity Control Authorization TRUE ANSWER : ? YOUR ANSWER : ?
If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given supertype. False True TRUE ANSWER : ? YOUR ANSWER : ?
A subtype entity name should be which of the following? A singular noun Specific to the organization Concise All of these TRUE ANSWER : ? YOUR ANSWER : ?
Total specialization is represented by double lines between the supertype and subtype on an EER. 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 subtypes of the supertype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and forming supertype/subtype relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following symbols is not used in an ERD? Circle Diamond Oval Rectangle TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements concerning business rules is true? It should be complex. All of these It may include restrictions. It should not be convertible to computer code. 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 : ?