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The operation of moving from finer- granularity data to a coarser granularity (by means of aggregation) is called a                  

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Question:

The operation of moving from finer- granularity data to a coarser granularity (by means of aggregation) is called a                  

A.

rollup

B.

drill down

C.

dicing

D.

pivoting

Answer» a. rollup

Note: The above multiple-choice question is for all general and Competitive Exams in India.