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22 sty 2010 · There are a number of ways to look at a date difference, and more when comparing date/times. Here's what I use to get the difference between two dates formatted as "HH:MM:SS": ElapsedTime AS. RIGHT('0' + CAST(DATEDIFF(S, StartDate, EndDate) / 3600 AS VARCHAR(2)), 2) + ':'.
23 wrz 2023 · To calculate the difference between two dates in T-SQL, you’ll need to use the DATEDIFF function. This built-in function allows you to easily subtract one date from another and return the difference.
23 wrz 2023 · This built-in SQL function allows you to calculate the difference between two datetimes. It’s as simple as DATEDIFF (datepart, startdate, enddate). The datepart could be year, quarter, month, day and so on. SELECT DATEDIFF (day,'2022-01-01','2022-12-31') AS DiffDate.
You'll get a more accurate result if you compute the difference between the two dates in days and divide by the mean length of a calendar year in days over a 400 year span (365.2425): datediff(day,{start-date},{end-date},) / 365.2425. For instance, select datediff(day,'1 Jan 2000' ,'18 April 2014') / 365.2425.
To calculate the difference between the arrival and the departure in T-SQL, use the DATEDIFF(datepart, startdate, enddate) function. The datepart argument can be microsecond , second , minute , hour , day , week , month , quarter , or year .
Transact-SQL reference for the DATEDIFF function. Returns the numerical difference between a start and end date based on datepart.
The DATEDIFF() function returns a value of integer indicating the difference between the start_date and end_date, with the unit specified by date_part. The DATEDIFF() function returns an error if the result is out of range for integer (-2,147,483,648 to +2,147,483,647).
