CONVERT(VARCHAR, DATEADD(ms, ((DATEDIFF(SECOND, start_time, GETDATE())) % 86400) * 1000, 0), 114) AS TimeElapsed_DDHHMMSS, CONVERT(VARCHAR, DATEDIFF(SECOND, GETDATE ...
DATEADD(DAY,5,BirthDate) AS A_5_DIAS_DESPUES, DATEADD(DAY,-5,BirthDate) AS A_MENOS_5_DIAS, ...