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The Database Environment

21.

Duplicate data often results in loss of data integrity because:

Answer: C

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22.

The database approach requires additional costs and risks.

Answer: A

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Answer: B

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24.

Database management systems were first introduced in the 1950s.

Answer: B

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Answer: D

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26.

A workgroup typically comprises between 25 and 100 persons.

Answer: B

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27.

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

Answer: B

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28.

All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.

Answer: A

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29.

A database application can perform which of the following activities?

Answer: D

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30.

Metadata enables database designers and users to do all of the following except:

Answer: A

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