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    • Question

      Which of the following is NOT a common OLAP

      operation?
      A Roll-up (aggregation) Correct Answer Incorrect Answer
      B Drill-down (detail) Correct Answer Incorrect Answer
      C Pivot (rotate) Correct Answer Incorrect Answer
      D Normalize (apply 3NF) Correct Answer Incorrect Answer
      E Slice and dice Correct Answer Incorrect Answer

      Solution

      OLAP operations are analytical (roll-up, drill-down, slice, dice, pivot); normalization is OLTP modeling practice, not OLAP analytical operation.

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