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The Database Environment

The Database Environment
A data warehouse uses:

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

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The Database Environment
The database approach requires additional costs and risks.

True
False

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The Database Environment
Duplicate data often results in loss of data integrity because:

Both A &
Neither A &
the data formats may be inconsistent.
data values may not agree.

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The Database Environment
Some advantages of the database approach include all, but:

improved data sharing.
program-data dependency.
minimal data redundancy.
improved data consistency.

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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
Structured data may include which of the following?

Dates
None of these
Photo image
Video clip

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