RMAN Historical backup details:
select SESSION_KEY, INPUT_TYPE, STATUS, to_char(START_TIME,’mm-dd-yyyy hh24:mi:ss’) as RMAN_Bkup_start_time, to_char(END_TIME,’mm-dd-yyyy hh24:mi:ss’) as RMAN_Bkup_end_time, elapsed_seconds/3600 Hours from V$RMAN_BACKUP_JOB_DETAILS order by session_key;

Running status of the RMAN Backup :
SQL> SELECT SID, SERIAL#, CONTEXT, SOFAR, TOTALWORK, ROUND (SOFAR/TOTALWORK*100, 2) "% COMPLETE" FROM V$SESSION_LONGOPS WHERE OPNAME LIKE 'RMAN%' AND OPNAME NOT LIKE '%aggregate%' AND TOTALWORK! = 0 AND SOFAR <> TOTALWORK;

SQL> select SESSION_KEY, INPUT_TYPE, STATUS,
to_char(START_TIME,’mm/dd/yy hh24:mi’) start_time,
to_char(END_TIME,’mm/dd/yy hh24:mi’) end_time,
elapsed_seconds/3600 hrs from V$RMAN_BACKUP_JOB_DETAILS
order by session_key;
