select dateadd(day,2,'2004-10-15') --返回:2004-10-17 00:00:00.000 3. datediff 返回跨两个指定日期的日期和时间边界数。 select datediff(day,'2004-09-01','2004-09-18') --返回:17 4. datepart 返回代表指定日期的指定日期部分的整数。 selec
SQL Server DATEDIFF function returns the difference in seconds, minutes, hours, days, weeks, months, quarters and years between 2 datetime values. Quick Example: -- The difference is days between today and yesterday SELECT DATEDIFF(dd, GETDATE(
EN我知道有一个DateDiff函数，但是它并不适用于所有的3个时间值:天、小时和分钟。我希望这在SQL语句中...
@date2); IF DATEADD(hh, -@hours, @date2) < @date1SELECT@hours= @hours-1;SET@date2 =DATEADD(hh, -@hours, @date2);SELECT@minutes=DATEDIFF(mi, @date1, @date2); IF DATEADD(mi, -@minutes, @date2) < @date1SELECT@minutes= @minutes-1;SET@date2 =DATEADD(mi, -@minutes, @date...
第二行包含三个整数endYear，endMonth，endDay，分别是结束年、月、日。 相邻两个整数之间用单个空格隔...
ExampleHere, we are calculating the difference between two specified times in minutes using the following query −SQL> SELECT DATEDIFF(MINUTE, '2023/03/01 07:30', '2023/04/01 07:30') AS TIME_DIFF_IN_MINUTE; OutputIf we execute the above query, the result is produced as follows −...
SELECT DATEDIFF(hour, '2023-12-31 00:00:00', '2023-12-31 23:59:59') AS hours_difference, DATEDIFF(minute, '2023-12-31 00:00:00', '2023-12-31 23:59:59') AS minutes_difference, DATEDIFF(second, '2023-12-31 00:00:00', '2023-12-31 23:59:59') AS seconds_difference; Powe...
CREATE FUNCTION dbo.ufn_Minutes(@dtmDate DATETIME -- 指定的日期时间) RETURNS INTASBEGINRETURN DATEDIFF(MINUTE, dbo.ufn_GetDefaultBasedate(), dbo.ufn_GetValidDate(@dtmDate));ENDGOIF OBJECT_ID(N'dbo.ufn_Minutes2Date', 'FN') IS NOT NULL...
For second, the maximum difference is 68 years, 19 days, 3 hours, 14 minutes and 7 seconds.If startdate and enddate are both assigned only a time value, and the datepart is not a time datepart, DATEDIFF returns 0.DATEDIFF uses the time zone offset component of startdate or enddate to...
For second, the maximum difference is 68 years, 19 days, 3 hours, 14 minutes, and 7 seconds.If startdate and enddate are both assigned only a time value, and the datepart isn't a time datepart, DATEDIFF returns 0.DATEDIFF uses the time zone offset component of startdate or enddate ...