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The Database Environment

The Database Environment
A data warehouse uses:

partial operational data.
future operational data.
historical operational data.
health care data.

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The Database Environment
Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003).

False
True

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The Database Environment
Database management systems were first introduced in the 1950s.

False
True

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The Database Environment
The source of the data is sometimes called the system of record.

False
True

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The Database Environment
A shared database should:

be secure.
be accurate and available.
All of these
provide for backup and recovery.

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The Database Environment
A database application can perform which of the following activities?

All of these
Read records
Add records
Update records

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