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Exam 2: Modeling Data in the Organization

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Question 31

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In the figure shown below, a person has to be married.

A) True
B) False

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Question 32

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Data, rather than processes, are the most complex aspects of many modern information systems.

A) True
B) False

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Question 33

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A cardinality constraint tells what kinds of properties are associated with an entity.

The number of entity types that participate in a Unary relationship is:

An attribute of an entity that is computed is a(n) :

Which of the following is NOT a good characteristic of a data name?

An entity type name should always be a singular noun.

A good data definition will describe all of the characteristics of a data object EXCEPT:

An entity type name should be all of the following EXCEPT:

Participation in a relationship may be optional or mandatory.

An attribute that can be broken down into smaller parts is called a(n) ________ attribute.

The relationship between the instances of two entity types is called a binary relationship.

A good data definition is always accompanied by diagrams, such as the entity-relationship diagram.

Which of the following is an entity that exists independently of other entity types?

A fact is an association between two or more:

Data names do not have to be unique.

Relationships represent action being taken using a verb phrase.

While business rules are not redundant, a business rule can refer to another business rule.

What are the three different degrees of relationship?

A fact is an association between two or more terms.