HEAT TRANSFER QUIZ

Packaged data models are meant to be exactly right straight out of the box.

True

False

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An action assertion must include which of the following?

Anchor object

Action

Corresponding object

All of these

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Which of the following is not one of the three ways to classify an action assertion?

Condition

Enabler

Integrity Control

Authorization

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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

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A subtype entity name should be which of the following?

A singular noun

Specific to the organization

Concise

All of these

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Total specialization is represented by double lines between the supertype and subtype on an EER.

False

True

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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.

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Which one of the following symbols is not used in an ERD?

Circle

Diamond

Oval

Rectangle

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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.

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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

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