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What is the meaning of this command eternally

SQL> ALTER USER mrss IDENTIFIED EXTERNALLY;
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walkerdba
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walkerdba
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slightwv (䄆 Netminder) Commented:
Check the docs:
http://docs.oracle.com/cd/E11882_01/server.112/e26088/statements_8003.htm#SQLRF01503

EXTERNALLY Clause

Specify EXTERNALLY to create an external user. Such a user must be authenticated by an external service, such as an operating system or a third-party service. In this case, Oracle Database relies on authentication by the operating system or third-party service to ensure that a specific external user has access to a specific database user.
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walkerdbaAuthor Commented:
It is a weakens the log in security

ie, an external user can access user right.
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slightwv (䄆 Netminder) Commented:
Some consider it a weakness.  Some do not.

All it means is that Oracle doesn't require a log in or password to connect.

If you are authenticated by something like the Operating System, you are good to connect to Oracle.  The database is as secure as the host providing the authentication.

There are many apps out there that allow this type of authentication.
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walkerdbaAuthor Commented:
y
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