Question

What is essential for the query tool to do in a distributed data Webhouse configuration?

a.

Centralizing dimensions

b.

Sorting fact tables

c.

Combining result sets using a multi-pass sort-merge

d.

Retrieving result sets from a single provider

Posted under Data Warehousing and OLAP

Answer: (c).Combining result sets using a multi-pass sort-merge Explanation:In a distributed data Webhouse configuration, the query tool must combine result sets using a multi-pass sort-merge to make the distributed collection work cohesively.

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