{ { ARCHIVELOG [ MANUAL ]
  | NOARCHIVELOG
  }
| [ NO ] FORCE LOGGING
| RENAME FILE 'filename' [, 'filename' ]...
    TO 'filename'
| CLEAR [ UNARCHIVED ]
    LOGFILE logfile_descriptor [, logfile_descriptor ]...
    [ UNRECOVERABLE DATAFILE ]
| add_logfile_clauses
| drop_logfile_clauses
| supplemental_db_logging
}