SQL: Cross-month question or cross-year question and date Boundary

, (Ss, @ sart, @ end) (@ end) month (@ sart )) (DATEPART (second, @ sart) asvarchar) (day, @ sart) + 1, @ sart ))) (DATEPART (second, @ end) asvarchar) (, @ end), (MS, GETDATE ())())() ()))()

, (Ss, @ sart, @ end) (@ end) month (@ sart )) (DATEPART (second, @ sart) as varchar) (day, @ sart) + 1, @ sart ))) (DATEPART (second, @ end) as varchar) (, @ end), (MS, GETDATE ())())() ()))()

, (Ss, @ sart, @ end) (@ end)> month (@ sart )) (DATEPART (second, @ sart) as varchar) (day, @ sart) + 1, @ sart ))) (DATEPART (second, @ end) as varchar) (, @ end), (MS, GETDATE ())())() () --, 49 Days = datediff (dd, 0, DateDif), 50 Hours = datepart (hour, DateDif ), 51 Minutes = datepart (minute, DateDif), 52 Seconds = datepart (second, DateDif), 53 MS = datepart (MS, DateDif) (DateDif = EndDate-StartDate, (StartDate),) 64) aa65) a. server space, U.S. server, Hong Kong server