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The operation of moving from finer granular data to coarser granular data is called _______

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in RDBMS by (118k points)
The operation of moving from finer granular data to coarser granular data is called _______

(a) Reduction

(b) Increment

(c) Roll up

(d) Drill down

The question was asked by my college director while I was bunking the class.

Enquiry is from OLAP topic in division Intermediate and Advanced Sql of RDBMS

1 Answer

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Best answer
The correct choice is (c) Roll up

The explanation is: OLAP systems permit users to view the data at any level of granularity. The process of moving from finer granular data to coarser granular data is called as roll-up.

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