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The Database Environment

The Database Environment
A data warehouse uses:

future operational data.
historical operational data.
health care data.
partial operational 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
Databases that contain historical and summarized information are usually called data warehouses.

True
False

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

False
True

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

Add records
All of these
Update records
Read records

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The Database Environment
The primary mechanism for providing context for data is metadata.

True
False

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