Query to Find RMAN backup details:
set lines 200 pages 999
col OUTPUT_BYTES_DISPLAY for a20;
col INPUT_TYPE for a20;
col TIME_TAKEN_DISPLAY for a20;
col START_TIME for a30;
col END_TIME for a20;
col status for a30;
select session_key,
input_type,
status,
to_char(start_time,'yyyy-mm-dd hh24:mi') start_time,
to_char(end_time,'yyyy-mm-dd hh24:mi') end_time,
output_bytes_display,
time_taken_display
from v$rman_backup_job_details
order by session_key asc;