Sql server 2005 两个日期之间的持续时间

我需要以（hh:mm:ss）格式获取两个日期之间的持续时间

2011/05/05 11:45:02

和

2011/05/01 08:09:57

---

例如，如果我有这两个日期

2011/05/05 01:18:14

和

2011/05/05 11:00:00

，结果将是：

02:18:14

，据我所知，SQL（或TSQL）中没有日期时间间隔数据类型，因此实现这一点的唯一方法是手动格式化函数的结果

 declare @hours as int
 declare @minutes as int
 declare @seconds as int
 declare @time_interval as nvarchar(10)

 set @hours =  DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') / 3600
 set @minutes = (DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') - @hours*3600)/60
 set @seconds = DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') - @hours*3600 - @minutes * 60

 set @time_interval = (cast(@hours as nvarchar) +':'+ cast(@minutes as nvarchar)+':'+ cast(@seconds as nvarchar))

print @time_interval

---

据我所知，SQL（或TSQL）中没有DATETIME_INTERVAL数据类型，因此实现这一点的唯一方法是手动格式化函数的结果

 declare @hours as int
 declare @minutes as int
 declare @seconds as int
 declare @time_interval as nvarchar(10)

 set @hours =  DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') / 3600
 set @minutes = (DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') - @hours*3600)/60
 set @seconds = DATEDIFF(ss,'2011/05/05 01:18:14', '2011/05/05 11:00:00') - @hours*3600 - @minutes * 60

 set @time_interval = (cast(@hours as nvarchar) +':'+ cast(@minutes as nvarchar)+':'+ cast(@seconds as nvarchar))

print @time_interval

试试这个：

declare @date1 datetime='2011/05/05 01:18:14', @date2 datetime='2011/05/05 11:00:00'
select CAST((@date2-@date1) as time(0))

以下是语句中元素的重要顺序。在其他情况下，您将获得24小时的时间。

尝试以下操作：

declare @date1 datetime='2011/05/05 01:18:14', @date2 datetime='2011/05/05 11:00:00'
select CAST((@date2-@date1) as time(0))

DECLARE @dt1 datetime

DECLARE @dt2 datetime

SELECT @dt1 = '2011-05-05 11:45:02', @dt2 = '2011-05-05 08:09:57'

SELECT CONVERT(VARCHAR(8),@dt1-@dt2,108)


-- RESULT IS : 03:35:05

下面是语句中元素的重要顺序。在其他情况下，您将获得24小时的时间

DECLARE @dt1 datetime

DECLARE @dt2 datetime

SELECT @dt1 = '2011-05-05 11:45:02', @dt2 = '2011-05-05 08:09:57'

SELECT CONVERT(VARCHAR(8),@dt1-@dt2,108)


-- RESULT IS : 03:35:05