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difference in '/ as sysdba' and 'sys as sysdba'

dario-2280378Apr 12 2011 — edited Apr 12 2011

So, I'm trying to log on into an oracle instance (11g R2 on win) with an 'sqlplus / as sysdba' but I got an ORA-01031 errot..
after I change an sqlnet.ora to
SQLNET.AUTHENTICATION_SERVICES= (NONE), I can log on (but all DB users get an ORA-12638 error after that)..

but when I try to connect using 'sqlplus sys as sysdba' (with typing pwd) everything works fine...
I wanted to log on into an instance as sysdba... what's the difference in those 2 ways?

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Locked on May 10 2011

Added on Apr 12 2011

#general-database-discussions, #sqlplus, #windows

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