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2025.2 LTS
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-- дата начала DECLARE @t_start AS DATETIME = DATEADD(minute, -7410, GETDATE()); -- дата конца DECLARE @t_finish AS DATETIME = GETDATE(); -- разница между датами начала и конца в переменной типа DATETIME DECLARE @t_diff AS DATETIME = @t_finish - @t_start; -- разница между датами начала и конца SELECT @t_diff; SELECT DATEDIFF(second, DATEFROMPARTS(1900,1,1), @t_diff) / 3600.0 AS diff_h
(No column name)
06/01/1900 03:30:00
diff_h
123.500000