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Question

What role does internal data play in a data warehouse?

a.

It is the primary source of data.

b.

It is not important and should be ignored.

c.

It adds complexity to the data transformation process.

d.

It is only used for backup purposes.

Answer: (c).It adds complexity to the data transformation process. Explanation:The additional complexity added by internal data in data transformation.

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Q. What role does internal data play in a data warehouse?

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