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In OLAP, the operation that moves from summarised data to more detailed data (for example from yearly to monthly sales) is called

2127Medium DSSSB TGT Computer Science 0 replies 2 views
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In OLAP, the operation that moves from summarised data to more detailed data (for example from yearly to monthly sales) is called

  • Aroll-up
  • Bpivot
  • Cslice
  • Ddrill-down
Correct answer: D

Explanation

Drill-down navigates to a finer level of detail, whereas roll-up aggregates data to a coarser level.
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