SQl的dateadd函数与getDate()函数

    技术2022-05-20  24

    Sql中的getDate()函数Sql Server 中一个非常强大的日期格式化函数Select CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AMSelect CONVERT(varchar(100), GETDATE(), 1): 05/16/06Select CONVERT(varchar(100), GETDATE(), 2): 06.05.16Select CONVERT(varchar(100), GETDATE(), 3): 16/05/06Select CONVERT(varchar(100), GETDATE(), 4): 16.05.06Select CONVERT(varchar(100), GETDATE(), 5): 16-05-06Select CONVERT(varchar(100), GETDATE(), 6): 16 05 06Select CONVERT(varchar(100), GETDATE(), 7): 05 16, 06Select CONVERT(varchar(100), GETDATE(), 8): 10:57:46Select CONVERT(varchar(100), GETDATE(), 9): 05 16 2006 10:57:46:827AMSelect CONVERT(varchar(100), GETDATE(), 10): 05-16-06Select CONVERT(varchar(100), GETDATE(), 11): 06/05/16Select CONVERT(varchar(100), GETDATE(), 12): 060516Select CONVERT(varchar(100), GETDATE(), 13): 16 05 2006 10:57:46:937Select CONVERT(varchar(100), GETDATE(), 14): 10:57:46:967Select CONVERT(varchar(100), GETDATE(), 20): 2006-05-16 10:57:47Select CONVERT(varchar(100), GETDATE(), 21): 2006-05-16 10:57:47.157Select CONVERT(varchar(100), GETDATE(), 22): 05/16/06 10:57:47 AMSelect CONVERT(varchar(100), GETDATE(), 23): 2006-05-16Select CONVERT(varchar(100), GETDATE(), 24): 10:57:47Select CONVERT(varchar(100), GETDATE(), 25): 2006-05-16 10:57:47.250Select CONVERT(varchar(100), GETDATE(), 100): 05 16 2006 10:57AMSelect CONVERT(varchar(100), GETDATE(), 101): 05/16/2006Select CONVERT(varchar(100), GETDATE(), 102): 2006.05.16Select CONVERT(varchar(100), GETDATE(), 103): 16/05/2006Select CONVERT(varchar(100), GETDATE(), 104): 16.05.2006Select CONVERT(varchar(100), GETDATE(), 105): 16-05-2006Select CONVERT(varchar(100), GETDATE(), 106): 16 05 2006Select CONVERT(varchar(100), GETDATE(), 107): 05 16, 2006Select CONVERT(varchar(100), GETDATE(), 108): 10:57:49Select CONVERT(varchar(100), GETDATE(), 109): 05 16 2006 10:57:49:437AMSelect CONVERT(varchar(100), GETDATE(), 110): 05-16-2006Select CONVERT(varchar(100), GETDATE(), 111): 2006/05/16Select CONVERT(varchar(100), GETDATE(), 112): 20060516Select CONVERT(varchar(100), GETDATE(), 113): 16 05 2006 10:57:49:513Select CONVERT(varchar(100), GETDATE(), 114): 10:57:49:547Select CONVERT(varchar(100), GETDATE(), 120): 2006-05-16 10:57:49Select CONVERT(varchar(100), GETDATE(), 121): 2006-05-16 10:57:49.700Select CONVERT(varchar(100), GETDATE(), 126): 2006-05-16T10:57:49.827Select CONVERT(varchar(100), GETDATE(), 130): 18 ???? ?????? 1427 10:57:49:907AMSelect CONVERT(varchar(100), GETDATE(), 131): 18/04/1427 10:57:49:920AM常用:Select CONVERT(varchar(100), GETDATE(), 8): 10:57:46Select CONVERT(varchar(100), GETDATE(), 24): 10:57:47Select CONVERT(varchar(100), GETDATE(), 108): 10:57:49Select CONVERT(varchar(100), GETDATE(), 12): 060516Select CONVERT(varchar(100), GETDATE(), 23): 2006-05-16

    dateadd函数:在日期的某个部分上添加指定数值!/*使用:

    DateTime ldt_date

    ldt_date = DateTime( Date('2008-12-31'), Time('20:00:00') )

    //返回:2008-11-30 20:00:00

    ldt_date = f_dateadd('month', -1, ldt_date)

    //返回:2009-02-28 20:00:00

    ldt_date = f_dateadd('month', 2, ldt_date)

    //返回:2010-12-31 20:00:00

    ldt_date = f_dateadd('year', 2, ldt_date)

    //返回:2009-01-14 20:00:00

    ldt_date = f_dateadd('week', 2, ldt_date)

    //返回:2009-02-01 20:00:00

    ldt_date = f_dateadd('day', 32, ldt_date)

    //返回:2009-01-01 02:00:00

    ldt_date = f_dateadd('hour', 6, ldt_date)

    //返回:2009-01-01 00:00:00

    ldt_date = f_dateadd('minute', 240, ldt_date)

    //返回:2009-01-01 00:00:00

    ldt_date = f_dateadd('second', 240*60, ldt_date)

    //返回:2008-02-29 23:59:59.123

    ldt_date = DateTime( Date('2008-03-01'), Time('00:00:01.123') )

    ldt_date = f_dateadd('ss', -2, ldt_date) */

    本文来自博客,转载请标明出处:http://blog.csdn.net/liubocy/archive/2008/12/25/3606184.aspx

     


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