declare @time varchar(8),@datetime datetime

declare cursor_time cursor for select right(datetime,8) from att_original where left(datetime,10) = '06 11 2003'
open cursor_time
fetch next from cursor_time into @time

declare cursor_user cursor for select * from att_original  where left(datetime,10) = '06 11 2003'
open cursor_user

fetch next from cursor_user

while @@fetch_status = 0
begin
  set @datetime = '2005-06-11 '+ '' + @time
  update att_original set datetime = @datetime where current of cursor_user

  fetch next from cursor_user
  fetch next from cursor_time into @time
end

close cursor_user
deallocate cursor_user

close cursor_time
deallocate cursor_time

select * from att_original