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      Question

      Slowly Changing Dimension (SCD) is used

      to:
      A Handle transactional data Correct Answer Incorrect Answer
      B Track historical changes in dimension tables Correct Answer Incorrect Answer
      C Normalize fact tables Correct Answer Incorrect Answer
      D Optimize queries Correct Answer Incorrect Answer
      E Store aggregated data Correct Answer Incorrect Answer

      Solution

      SCD manages changes in dimension attributes while preserving history in a data warehouse.

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