set lin 600
col sid format 9999
col start_time format a5 heading "Start|time"
col elapsed format 9999 heading "Mins|past"
col min_remaining format 9999999 heading "Mins|left"
col message format a81
select sid
     , to_char(start_time,'hh24:mi') start_time
     , elapsed_seconds/60 elapsed
     , round(time_remaining/60,2) "min_remaining"
     , message
from v$session_longops where time_remaining > 0
/