SQL>  select * from v$backup;

     FILE# STATUS                CHANGE# TIME          CON_ID
---------- ------------------ ---------- --------- ----------
         1 ACTIVE               77772650 14-DEC-19          0
         3 ACTIVE               77772650 14-DEC-19          0
         4 ACTIVE               77772650 14-DEC-19          0
         5 ACTIVE               77772650 14-DEC-19          0
         7 ACTIVE               77772650 14-DEC-19          0