ER MODEL AND BUSINESS RULES QUIZ

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

Condition

Integrity Control

Authorization

Enabler

TRUE ANSWER : ?
YOUR ANSWER : ?

An entity cluster is a set of one or more entity types and associated relationships.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

A rectangle represents which of the following in an EER?

Entity

Optional One

Attribute

Relationship

TRUE ANSWER : ?
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A subtype entity name should be which of the following?

Specific to the organization

All of these

Concise

A singular noun

TRUE ANSWER : ?
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Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.

False

True

TRUE ANSWER : ?
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When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?

Overlap with total specialization

Overlap with partial specialization

Disjoint with total specialization

Disjoint with partial specialization

TRUE ANSWER : ?
YOUR ANSWER : ?

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

False

True

TRUE ANSWER : ?
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A supertype can only have only one subtype.

False

True

TRUE ANSWER : ?
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Which of the following statements concerning business rules is true?

It should not be convertible to computer code.

It should be complex.

It may include restrictions.

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

An ERD that has had the entities clustered will display more entities.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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