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    • Question

      In a data cube, what does "slice" operation

      do?
      A Rotates the cube to show data from different perspectives Correct Answer Incorrect Answer
      B Selects a single dimension and reduces the cube by one dimension Correct Answer Incorrect Answer
      C Combines two or more dimensions Correct Answer Incorrect Answer
      D Performs data summarization Correct Answer Incorrect Answer
      E Joins fact tables Correct Answer Incorrect Answer

      Solution

      A slice fixes one dimension, creating a smaller sub-cube.

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