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Question

What should be done with missing values in an OLAP system?

a.

Address missing values in calculations

b.

Replace missing values with default values

c.

Ignore missing values, irrespective of their source

d.

Prompt users to enter missing values

Posted under Data Warehousing and OLAP

Answer: (c).Ignore missing values, irrespective of their source Explanation:In an OLAP system, missing values should be ignored, irrespective of their source.

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