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sql2005 根据指定字段排序编号
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- 2016-06-07 18:04:16945browse
在SQL Server 2005可以通过with as根据指定的字段排序编号
SQL语句如下：代码如下:
WITH 表1 AS
(
SELECT 编号字段名, ROW_NUMBER() OVER(ORDER BY 排序字段名 DESC) AS RowNum
FROM 表名
)
Update 表1
SET 编号字段名=RowNum
应用场景：
通过这样的SQL语句根据小组人气值对小组进行排名：
代码如下:
WITH groups AS
(
SELECT RankNum, ROW_NUMBER() OVER(ORDER BY 人气值 DESC) AS RowNum
FROM club_Groups
)
Update groups
SET RankNum=RowNum
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