SQLÈÕÆÚ¸ñʽת»»

from: http://blog.163.com/ck275601774/blog/static/1230468012009631113559291/
--ÈÕÆÚת»»²ÎÊý
select CONVERT(varchar,getdate(),120)
--2009-03-15 15:10:02
select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),'-',''),' ',''),':','')
--20090315151201
select CONVERT(varchar(12) , getdate(), 111)
--2009/03/15
select CONVERT(varchar(12) , getdate(), 112)
--20090315
select CONVERT(varchar(12) , getdate(), 102)
--2009.03.15
select CONVERT(varchar(12) , getdate(), 108)
--15:13:26
ÆäËüÎÒ²»³£ÓõÄÈÕÆÚ¸ñʽת»»·½·¨:
select CONVERT(varchar(12) , getdate(), 101 )
--03/15/2009
select CONVERT(varchar(12) , getdate(), 103 )
--15/03/2009
select CONVERT(varchar(12) , getdate(), 104 )
--15.03.2009
select CONVERT(varchar(12) , getdate(), 105 )
--15-03-2009
select CONVERT(varchar(12) , getdate(), 106 )
--15 03 2009
select CONVERT(varchar(12) , getdate(), 107 )
-- 15, 2009
select CONVERT(varchar(12) , getdate(), 109 )
--03 15 2009 
select CONVERT(varchar(12) , getdate(), 110 )
--03-15-2009
select CONVERT(varchar(11) , getdate(), 113 )
--15 03 2009
select CONVERT(varchar(12) , getdate(), 114)
--15:15:55:717
declare @t varchar(20)
set @t='27/4/2009 00:00:01'
select convert( char(10),
  --½ØÈ¡27/4/2009,²¢×ª»»Îª2009-4-27µÄÐÎʽ  
  convert(char(10),
   convert(datetime,
    left(@t,charindex(' ',@t)),
    103),
   120)
  --½ØÈ¡00:00:01
  +stuff(@t,1,charindex(' ',@t)-1,''),
  120)
--2009-04-27
declare @time char(20)
declare @temp char(10)
declare @year char(4)
declare @month char(2)
declare @day char(2)
set @time = '2009/12/22 00:00:01'
select @temp = left(@time, charindex(' ', @time)-1)
select @year = left(@temp, charindex('/', @temp)-1)
select @temp = replace(@temp, @year+'/', '')
select @month = left(@temp, charindex('/', @temp)-1)
select @month = case
 when len(@month)=1 then '0