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Question

What should be the treatment of nonnormalized data in an OLAP system?

a.

Allow calculations to affect external data

b.

Prohibit calculations from affecting the external data

c.

Only perform calculations within the OLAP system

d.

Ignore missing values

Posted under Data Warehousing and OLAP

Answer: (b).Prohibit calculations from affecting the external data Explanation:The treatment of nonnormalized data in an OLAP system is to prohibit calculations made within the system from affecting the external data serving as the source.

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