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±í
½ø»õÈÕÆÚ, ÎïÆ·
2010-02-01 °×²Ë
2010-02-02 Ïã¹½
2010-02-01 ´óÃ×
2010-03-01 °×²Ë
2010-03-02 ´óÃ×
2010-04-01 Ïã¹½


ÒªÇóÏÔʾ³¬¹ý(¼´µ±Ç°ÈÕÆÚ-×îºó½ø»õÈÕÆÚ>20)20ÌìµÄδ½ø»õµÄÎïÆ·.Sql Óï¾äÈçºÎд?
SQL code:
select [½ø»õÈÕÆÚ],[ÎïÆ·]
from [±í] where
datediff(day,[½ø»õÈÕÆÚ],getdate())>20


SQL code:
select * from tb where datediff(dd,½ø»õÈÕÆÚ,getdate())>20


SQL code:
--------------------------------------------------------------------------
-- Author : htl258(Tony)
-- Date : 2010-04-26 17:08:16
-- Version:Microsoft SQL Server 2008 (RTM) - 10.0.1600.22 (Intel X86)
-- Jul 9 2008 14:43:34
-- Copyright (c) 1988-2008 Microsoft Corporation
-- Developer Edition on Windows NT 5.1 <X86> (Build 2600: Service Pack 3)
-- Blog : http://blog.csdn.net/htl258
--------------------------------------------------------------------------
--> Éú³É²âÊÔÊý¾Ý±í:tb

IF NOT OBJECT_ID('[tb]') IS NULL
DROP TABLE [tb]
GO
CREATE TABLE [tb]([½ø»õÈÕÆÚ] DATETIME,[ÎïÆ·] NVARCHAR(10))
INSERT [tb]
S


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