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      Question

      Which process ensures data in a data warehouse is

      consistent and clean?
      A Data Mining Correct Answer Incorrect Answer
      B Data Integration Correct Answer Incorrect Answer
      C Data Transformation Correct Answer Incorrect Answer
      D Data Extraction Correct Answer Incorrect Answer
      E Data Partitioning Correct Answer Incorrect Answer

      Solution

      Transformation applies cleaning, normalization, and validation before loading data into the warehouse.

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