Query the archive log path, set the archive path archive log
Archive log list
Show parameter db_revovery_file
Default archive path
Archive log is not set. Default flashback area
The explanation in the scarlet letter is incorrect because there is no location.
Static parameters start the database
Change the location of the archive log, and the default path, that is, the flashback recovery area, ends with .arc. But the archive log location is set to end with .dbf
