{DB_NAME ['] database_name ['] | {MAXDAYS | MAXSEQ} integer | {RECOVERY AREA | DB_RECOVERY_FILE_DEST} quoted_string {[DB_NAME ['] database_name [']] | DB_UNIQUE_NAME ['] db_unique_name [']}} [ {DB_NAME ['] database_name ['] | {MAXDAYS | MAXSEQ} integer | {RECOVERY AREA | DB_RECOVERY_FILE_DEST} quoted_string {[DB_NAME ['] database_name [']] | DB_UNIQUE_NAME ['] db_unique_name [']}}]...