rank()The rank() window function returns the number of rows that are sorted before the current row +1. Note that rows that have the same values in the order by keys—peers to the current row—are not considered.
SELECT RANK() OVER (ORDER BY …)
FROM …Similar functions: row_number(), dense_rank(), percent_rank(), cume_dist().
The rank() window function is defined in ISO/IEC 9075:2016-2 as part of optional feature T611, “Elementary OLAP operations”.
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