THE DATABASE ENVIRONMENT QUIZ

A data warehouse uses:

historical operational data.

future operational data.

health care data.

partial operational data.

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Another name for multimedia data is unstructured data.

False

True

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A shared database should:

All of these

be secure.

be accurate and available.

provide for backup and recovery.

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Legacy data is which of the following?

Data contained by a system used prior to the installation of a new system

Data contained in a newly-installed system

Data contained in a file system

Data rejected during the installation of a new system

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An enterprise database is which of the following?

A database designed to support an entire organization

A database designed to support only users external to an organization

A database designed to support a relatively small group

A database designed to support a single PC

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Duplicate data often results in loss of data integrity because:

the data formats may be inconsistent.

data values may not agree.

Both A &

Neither A &

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Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.

True

False

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Stand-alone databases exhibit many of the same advantages common to file processing systems.

True

False

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The database approach requires additional costs and risks.

True

False

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Some advantages of the database approach include all, but:

improved data sharing.

minimal data redundancy.

improved data consistency.

program-data dependency.

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