{ {BACKUP LOCATION ['] backup_location ['] | DEVICE TYPE deviceSpecifier [, deviceSpecifier]... | DORECOVER | fileNameConversionSpec | FROM ACTIVE DATABASE | LOGFILE [INSTANCE ' name '] logSpec [, [INSTANCE ' name '] logSpec]... | NOCHECK | NOFILENAMECHECK | NOOPEN | NOREDO | NORESUME | OPEN RESTRICTED | PASSWORD FILE | PLUGGABLE DATABASE pdb_name [, pdb_name]... | PFILE ['] filename ['] | SECTION SIZE sizeSpec | SKIP READONLY | SKIP PLUGGABLE DATABASE pdb_name [, pdb_name]... | SKIP TABLESPACE [pdb_name :] ['] tablespace_name ['] [, [pdb_name :] ['] tablespace_name [']]... | SPFILE [ { setParameter [setParameter]... | PARAMETER_VALUE_CONVERT [ {] {['] string_pattern [']}/ [,] [}] [ {setParameter}... }] | TABLESPACE [pdb_name :] ['] tablespace_name ['] [, [pdb_name :] ['] tablespace_name [']]... | UNDO TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']]... | {TO RESTORE POINT restore_point_name | untilClause} | USING [COMPRESSED] BACKUPSET} [}] | TABLESPACE [pdb_name :] ['] tablespace_name ['] [, [pdb_name :] ['] tablespace_name [']]... | UNDO TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']]... | {TO RESTORE POINT restore_point_name | untilClause} | USING [COMPRESSED] BACKUPSET}]...