{ RETENTION POLICY { TO { RECOVERY WINDOW OF integer DAYS
| REDUNDANCY [=] integer
| NONE
}
| CLEAR
}
| MAXSETSIZE { TO { integer [ K | M | G ]
| UNLIMITED
}
| CLEAR
}
| { ARCHIVELOG | DATAFILE }
BACKUP COPIES FOR DEVICE TYPE deviceSpecifier
{ TO integer | CLEAR }
| BACKUP OPTIMIZATION { ON | OFF | CLEAR }
| EXCLUDE FOR TABLESPACE tablespace_name [CLEAR]
}