subtract minutes and seconds

NET (C #) Time subtraction gets days, hours, minutes, seconds difference datetime dtone = Convert.todatetime ("2007-1-1 05:00:00"); DateTime dtwo = Convert.todatetime ("2007-1-5 08:00:00"); TimeSpan span = Dtone. Subtract (Dtwo); The

SelectTimediff ('23:40:00','18:30:00'); --subtract two time select substring (Timediff ('23:40:00','18:30:00'),1,5) ----“ to：Ten"Subtract back hours: minutesSelectDateDiff'2008-08-08','2008-08-01'); --7-----Two date subtractionSelectTo_days ('2008-09

1. MySQL adds a time interval for the date: Date_add ()Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -Plus 1 hoursSelect Date_add (@dt, interval 1 minute); -Plus 1 minutesSelect Date_add (

// Obtain the last day of a month// Method 1: calculate the number of days of the month, and the number of days plus the year + month. The example shows the last day of the month.Private void getlastdateformonth (datetime dtstart, out datetime dtend)

1. Get selectTRUNC (SYSDATE) FROMdual at 00:00:00 of the current day; 2. Get 23: 59: 59 seconds of the current day (add 1 day based on 00:00:00 of the current day and then minus 1 second) SEL 1. Get select TRUNC (SYSDATE) FROM dual; 2. Get 23: 59: 5

With the consent of original author Chris Craft, I can translate his seriesArticle30 days of. Net [Windows Mobile applications] and published in the blog. This is a very interesting series. Through this series of learning, you can master many

According to statistics, 70% of the world's population is in sub-health condition. Women account for a large proportion of the sub-health population. Fatigue, sleepy, often here pain, there itch, to the hospital inspection, the indicators are normal,

======================== Thanks for "Don't forget Beginner's mind" The Great God share ========================Original Blog Address: http://www.cnblogs.com/IT-Bear/archive/2012/01/16/2323609.html=========================================== ==========

Because today do the function of attendance statistics, to count out the time of leave/overtime, there are two ways The first idea is that two times subtract, get two time difference, the result of the cut, get the number of days and specific time

The TimeSpan structure represents a time interval. Namespaces: System Assembly: mscorlib (in mscorlib.dll) Description: The 1.DateTime value type represents a specific date time from January 1, 01 0:0 0 seconds to A.D. December 31, 9999 23:59 59