THE DATABASE DEVELOPMENT PROCESS QUIZ

Packaged data models can reduce implementation times and costs.

False

True

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Functional decomposition is the process of breaking down the functions of an organization into greater levels of detail.

True

False

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During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.

True

False

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User views are included as part of which schema?

None of these

Conceptual

External

Internal

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One of the most popular systems development life cycle methods is prototyping.

True

False

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A conceptual schema is usually depicted in graphical format using E-R or object-modeling notations.

False

True

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An entity type is which of the following?

A major category of data about people, place, and things

The business processes the support the mission of an organization

The various departments of an organization

The application software

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The three-schema components include all, but:

conceptual schema.

internal schema.

external schema.

programming schema.

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The use of packaged data models can offer which of the following benefits?

Neither A nor

Higher quality models

Reduce implementation time and costs

Both A and

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Which of the following database activities require a specific knowledge of a DBMS?

Logical database design

Physical database design and definition

Conceptual data modeling

Enterprise modeling

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