ISM 5992 - Quiz 1

True

A data model is a graphical system used to capture the nature and relationships among data.

data model

A graphical system used to capture the nature and relationships among data is called a(n):

a logical description of some portion of the database

A user view is:

providing an integrated development environment.

All of the following are primary purposes of a database management system (DBMS) EXCEPT:

unplanned duplicate data files are the rule rather than the exception

Because applications are often developed independently in file processing systems:

False

Data redundancy is used to establish relationships between data but is never used to improve database performance.

True

File processing systems have been replaced by database systems in most critical business applications today.

True

Prototyping is a type of rapid application development?

Analysis

The SDLC phase in which the detailed conceptual data model is created is the ________ phase.

Internal

The three-schema approach includes which of the following schemas?

Systems Development Life Cycle

The traditional methodology used to develop, maintain and replace information systems is called the:

Improved responsiveness

Which of the following is NOT a cost and/or risk of the database approach?

Redundant data

Which of the following is NOT an advantage of database systems?

Database management system (DBMS)

Which of the following is software used to create, maintain, and provide controlled access to databases?

repository

With the database approach, data descriptions are stored in a central location known as a