control_file：
v$controlfile
V$CONTROLFILE_RECORD_SECTION
V$ARCHIVED_LOG
V$BACKUP Backup
V$BACKUP_DATAFILE
V$BACKUP_PIECE
V$BACKUP_REDOLOG
V$BACKUP_SET
V$DATABASE
V$DATAFILE
V$DATAFILE_COPY
redo_log:
v$log
v$logfile
v$thread
v$log_history
archive_log:
v$archived_log
v$archive_dest
v$archive_processes