Alterar tamanho da flash Recovery Área ou FRA.

show parameter db_recovery_file_dest_size
show parameter db_recovery_file_dest

set linesize 500
col NAME for a50
select name, ROUND(SPACE_LIMIT/1024/1024/1024,2) "Allocated Space(GB)", 
round(SPACE_USED/1024/1024/1024,2) "Used Space(GB)",
round(SPACE_RECLAIMABLE/1024/1024/1024,2) "SPACE_RECLAIMABLE (GB)" ,
(select round(ESTIMATED_FLASHBACK_SIZE/1024/1024/1024,2) 
from V$FLASHBACK_DATABASE_LOG) "Estimated Space (GB)"
from V$RECOVERY_FILE_DEST;

ALTER system  SET db_recovery_file_dest_size=200G  sid='*' scope=BOTH;