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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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