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    Question

    In SQL, the ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT

    ROW clause applies to:
    A Recursive joins Correct Answer Incorrect Answer
    B Window functions with frames Correct Answer Incorrect Answer
    C Partitioned indexes Correct Answer Incorrect Answer
    D Transaction isolation Correct Answer Incorrect Answer
    E Optimizer hints Correct Answer Incorrect Answer

    Solution

    This defines a moving window of rows for calculations like running totals.

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