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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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