oracle 12c Using Password File Authentication

–oracle 12c Using Password File Authentication

Using Password File Authentication

1 When you invoke the Database Configuration Assistant (DBCA) as part of the Oracle Database installation process, DBCA creates a password file.
2 The administrative privileges SYSBACKUP, SYSDG, and SYSKM are not supported in the password file when the file is created with the FORMAT=LEGACY argument.
  12.2 is the default for the FORMAT command-line argument.
3 The administrative privilege SYSRAC is not supported in the password file.  < <<<<<
4 The administrative privileges can be granted to external users only when the file is created with the FORMAT=12.2 argument.
  FORMAT=12.2 also enables SSL and Kerberos authentication for administrative users.
5 When you create a database password file that is stored in an Oracle ASM disk group, 
  it can be shared among the multiple Oracle RAC database instances. The password file is not duplicated on each Oracle RAC database instance.
 
  Set the REMOTE_LOGIN_PASSWORDFILE initialization parameter to exclusive. (This is the default).
  REMOTE_LOGIN_PASSWORDFILE is a static initialization parameter and therefore cannot be changed without restarting the database.
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