sql日期操作

日期格式化函数

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

常用操作

Select CONVERT(varchar(100), GETDATE(), 24): 10:57:47
Select CONVERT(varchar(100), GETDATE(), 108): 10:57:49

Select CONVERT(varchar(100), GETDATE(), 12): 060516
Select CONVERT(varchar(100), GETDATE(), 23): 2006-05-16
select CONVERT(varchar(12) , getdate(), 112 ) :   20040912 
Select CONVERT(varchar(100), GETDATE(), 8): 10:57:46

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select DateName(year,GetDate()) as '年'
SELECT DateName(Quarter,GetDate()) as '季'
select  DateName(month,GetDate()) as '月'
select DateName(day,GetDate()) as '日'
select DateName(dw,GetDate()) as '星期'
select DateName(week,GetDate()) as '周数'
select DateName(hour,GetDate()) as '时'
select DateName(minute,GetDate()) as '分'
select DateName(second,GetDate()) as '秒'

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SQL根据指定月份获取当前季度

declare @dt datetime
set @dt = cast('2007-05-01' as datetime)

select datename(yy,@dt) + '-' + right('0'+cast(3 * (datepart(qq,@dt)-1) + 1 as varchar),2) + '月'
union 
select datename(yy,@dt) + '年' + right('0'+cast(3 * (datepart(qq,@dt)-1) + 2 as varchar),2) + '月'
union
select datename(yy,@dt) + '年' + right('0'+cast(3 * (datepart(qq,@dt)-1) + 3 as varchar),2) + '月'

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