SHOW {ALL | ARCHIVELOG {BACKUP COPIES | DELETION POLICY} | AUXNAME | BACKUP OPTIMIZATION | [AUXILIARY] CHANNEL [FOR DEVICE TYPE deviceSpecifier] | COMPRESSION ALGORITHM | CONTROLFILE AUTOBACKUP [FORMAT] | DATAFILE BACKUP COPIES | DB_UNIQUE_NAME | [DEFAULT] DEVICE TYPE | ENCRYPTION {ALGORITHM | FOR {DATABASE | TABLESPACE}} | EXCLUDE | MAXSETSIZE | RETENTION POLICY | SNAPSHOT CONTROLFILE NAME} [forDbUniqueNameOption]