declare @day int
declare @hour int
declare @min int
declare @sec int
declare @alls int
set @alls=datediff(s,'2009-11-21 00:00:00','2009-11-24 15:12:24')
set @day=@alls/86400
set @hour=(@alls-@day*86400)/3600
set @min=(@alls-@day*86400-@hour*3600)/60
set @sec=@alls-@day*86400-@hour*3600-@min*60
select CAST(@day as varchar(5))+'天'+CAST(@hour as varchar(2))+'小時(shí)'+CAST(@min as varchar(2))+'分'+CAST(@sec as varchar(2))+'秒'