Question

What is one reason for restricting unnecessary drill-down functions in a data warehouse?

a.

To increase historical data

b.

To eliminate summary tables

c.

To decrease data volume

d.

To archive old data

Posted under Data Warehousing and OLAP

Answer: (c).To decrease data volume Explanation:Restricting unnecessary drill-down functions in a data warehouse helps decrease data volume.

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Q. What is one reason for restricting unnecessary drill-down functions in a data warehouse?

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