sql時分秒轉為秒
declare @sql varchar(20)
set @sql='37:02:10'
--test--
SELECT substring(@sql,0,charindex(':',left(@sql,3)))
select cast(substring(@sql,0,charindex(':',left(@sql,3))) as int)*3600
+cast(substring(right(@sql,5),0,charindex(':',right(@sql,5))) as int)*60
+substring(right(@sql,5),charindex(':',right(@sql,5))+1,len(right(@sql,5))-charindex(':',right(@sql,5)))
--end test ----
declare @i int
set @i=133330
select cast(@i/3600 as varchar)
+':'+
case when len(@i%3600/60)=1 then '0'+cast(@i%3600/60 as varchar) else cast(@i%60/60 as varchar) end
+':'+
case when len(@i%60)=1 then '0'+cast(@i%60 as varchar) else cast(@i%60 as varchar) end
/*
37:02:10
*/
declare @sql varchar(20)
set @sql='37:02:10'
--SELECT substring(@sql,0,charindex(':',left(@sql,3)))
select cast(substring(@sql,0,charindex(':',left(@sql,3))) as int)*3600
+cast(substring(right(@sql,5),0,charindex(':',right(@sql,5))) as int)*60
+substring(right(@sql,5),charindex(':',right(@sql,5))+1,len(right(@sql,5))-charindex(':',right(@sql,5)))
-----------------------------------------------------------------------------------------------------------------------
由字串轉化為標準時間
Sql Server將字串轉換為日期(2006-08-15 10:36:36)轉載 分類: 技巧程式
在Sql Server中要將字串轉為日期比如20060815104235轉換為2006-08-15 10:42:35。用cast和convert都提示型別轉換錯誤,cast和convert都需要對應的日期時間格式才能轉換。抓耳撓腮著急之時,一好友給了個函式,結果OK!
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
/*
Fun : 將字串轉換為時間格式
Author : YL
Create Time : 2005-7-23
*/
ALTER FUNCTION [dbo].[funStringToDateTime]
(@strTime varchar(20)) --字串形式的時間。格式:YYYYMMDDHHMISS --> YYYY-MM-DD HH:MI:SS
RETURNS datetime
AS
Begin
Declare @strTmp as varchar(20)
Set @strTime = ltrim(rtrim(@strTime))
Set @strTmp = subString(@strTime, 1, 4) -- "YYYY"
Set @strTmp = @strTmp + '-' -- "YYYY-"
Set @strTmp = @strTmp + subString(@strTime, 5, 2) -- "YYYY-MM"
Set @strTmp = @strTmp + '-' -- "YYYY-MM-"
Set @strTmp = @strTmp + subString(@strTime, 7, 2) -- "YYYY-MM-DD"
Set @strTmp = @strTmp + ' ' -- "YYYY-MM-DD "
Set @strTmp = @strTmp + subString(@strTime, 9, 2) -- "YYYY-MM-DD HH"
Set @strTmp = @strTmp + ':' -- "YYYY-MM-DD HH:"
Set @strTmp = @strTmp + subString(@strTime, 11, 2) -- "YYYY-MM-DD HH:MI"
Set @strTmp = @strTmp + ':' -- "YYYY-MM-DD HH:MI:"
Set @strTmp = @strTmp + subString(@strTime, 13, 2) -- "YYYY-MM-DD HH:MI:SS"
return cast(@strTmp as datetime)
End
如果是這樣的一個字串"2000年1月2日",用sql語句轉換成"2000-1-2"的標準日期格式
select Replace(Replace(Replace('2000年1月2日','年','-'),'月','-'),'日','')
select Replace(Replace(Replace(欄位名,'年','-'),'月','-'),'日','') from table1
/*
CONVERT(NVARCHAR(10), CAST([UPTIME] AS DATETIME),8)
*/