SELECT ROW_NUMBER() OVER(ORDER BY ordered DESC) AS rownum, ordered
FROM Orders
ORDER BY rownum DESC
Sqlserver:RowNum函数
利用SQL Server 2005的ROW_NUMBER()函数，按orderID字段逆序排列，给Orders表生成行号的语句如下：
SELECT ROW_NUMBER() OVER(ORDER BY ordered DESC) AS rownum, ordered
SELECT ROW_NUMBER() OVER(ORDER BY ordered DESC) AS rownum, ordered
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