SQL> create tablespace FDA1 datafile '/s01/app/oracle/oradata/DB11G/FDA01.dbf' size 50M;
Tablespace created.
SQL> create flashback archive fla1 tablespace FDA1 retention 1 MONTH;
Flashback archive created.
SQL> col FLASHBACK_ARCHIVE_NAME for a30
SQL> select FLASHBACK_ARCHIVE_NAME,status from dba_flashback_archive
2 /
FLASHBACK_ARCHIVE_NAME STATUS
------------------------------ -------
FLA1
SQL> alter flashback archive fla1 set default;
Flashback archive altered.
SQL> select FLASHBACK_ARCHIVE_NAME,status from dba_flashback_archive
2 /
FLASHBACK_ARCHIVE_NAME STATUS
------------------------------ -------
FLA1 DEFAULT