LOGICAL DATABASE DESIGN QUIZ

Enterprise data modeling typically occurs during information systems planning.

True

False

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

Both A and

Higher quality models

Neither A nor

Reduce implementation time and costs

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Packaged data models can reduce implementation times and costs.

True

False

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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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The physical database design identifies data integrity and security requirements.

False

True

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The goal of information systems planning is to align information technology with the business strategies of the organization.

True

False

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Which of the following database activities determines the entities, attributes, and relationships of data?

Logical database design

Conceptual data modeling

Physical database design and definition

Database implementation

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With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added.

False

True

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An entity type is which of the following?

The various departments of an organization

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

The business processes the support the mission of an organization

The application software

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The three-schema components include all, but:

programming schema.

conceptual schema.

internal schema.

external schema.

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