Exam 2: Modeling Data in the Organization

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

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

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

Relationships represent action being taken using a verb phrase.

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

A fact is an association between two or more terms.

What are the three different degrees of relationship?

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

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

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

An entity type name should always be a singular noun.

A fact is an association between two or more:

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

Participation in a relationship may be optional or mandatory.

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

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

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?

Data names do not have to be unique.