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Data Warehousing

Answer: C

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12.

Both status data and event data can be stored in a database.

Answer: A

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13.

Derived data are detailed, current data intended to be the single, authoritative source for all decision support applications.

Answer: A

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14.

Data scrubbing can help upgrade data quality; it is not a long-term solution to the data quality problem.

Answer: A

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Answer: D

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Answer: A

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17.

Joining is the process of partitioning data according to predefined criteria.

Answer: B

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Answer: C

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19.

Every key used to join the fact table with a dimensional table should be a surrogate key.

Answer: A

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Answer: B

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