RMAN -Display RMAN Backups

-- display rman backups
select
  j.session_recid, j.session_stamp,
  to_char(j.start_time, 'dd.mm.yyyy hh24:mi:ss') start_time,
  to_char(j.end_time, 'dd.mm.yyyy hh24:mi:ss') end_time,
  (j.output_bytes/1024/1024) output_mbytes, j.status, j.input_type,
  decode(to_char(j.start_time, 'd'), 1, 'Sunday', 2, 'Monday',
                                     3, 'Tuesday', 4, 'Wednesday',
                                     5, 'Thursday', 6, 'Friday',
                                     7, 'Saturday') dow,
  j.elapsed_seconds, j.time_taken_display,
  x.cf, x.df, x.i0, x.i1, x.l,
  ro.inst_id output_instance
from V$RMAN_BACKUP_JOB_DETAILS j
  left outer join
  (select
     d.session_recid, d.session_stamp,
     sum(case when d.controlfile_included = 'YES' then d.pieces else 0 end) CF,
     sum(case when d.controlfile_included = 'NO'
               and d.backup_type||d.incremental_level = 'D' then d.pieces else 0 end) DF,
     sum(case when d.backup_type||d.incremental_level = 'D0' then d.pieces else 0 end) I0,
     sum(case when d.backup_type||d.incremental_level = 'I1' then d.pieces else 0 end) I1,
     sum(case when d.backup_type = 'L' then d.pieces else 0 end) L
    from
     V$BACKUP_SET_DETAILS d
     join V$BACKUP_SET s on s.set_stamp = d.set_stamp and s.set_count = d.set_count
    where s.input_file_scan_only = 'NO'
    group by d.session_recid, d.session_stamp) x
    on x.session_recid = j.session_recid and x.session_stamp = j.session_stamp
  left outer join (select o.session_recid, o.session_stamp, min(inst_id) inst_id
                   from GV$RMAN_OUTPUT o
                   group by o.session_recid, o.session_stamp)
    ro on ro.session_recid = j.session_recid and ro.session_stamp = j.session_stamp
where j.start_time > trunc(sysdate)-2
order by j.start_time desc;