MySQL uses window functions ROW_NUMBER() and DENSE_RANK() to query the first place in each group or the top few in each group. Detailed explanation of the use of window functions. - Code World

MySQL uses window functions ROW_NUMBER() and DENSE_RANK() to query the first place in each group or the top few in each group. Detailed explanation of the use of window functions.

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MySQL uses window functions ROW_NUMBER() and DENSE_RANK() to query the first place in each group or the top few in each group. Detailed explanation of the use of window functions.

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