When the oracle forget the password, the machine does not require secret landing

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When ORACLE forgotten password, supports the use of this machine can log in without a password

1, there are two ORACLE authentication methods:

. Common database user name and password authentication

. Operating system user through the operating system verified, you can log in directly        

2, authentication provided

Configuration file sqlnet.ora, amended as follows:

SQLNET.AUTHENTICATION_SERVICES = (NTS)

Note: set to ALL or NONE will not work

3, landing approach

sqlplus / as sysdba;

If the database is a multi-instance, to be set as follows oracle_sid

set oracle_sid = XX

sqlplus / as sysdba;