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SQL plus login error

Posted by migamildien 
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SQL plus login error
April 13, 2009 01:10PM
I enter the user : system and password: PASSWORD. I leave the host string empty and press enter. I then get an error : ORA12560: TNS:protocal adapter error. Please help.
Re: SQL plus login error
April 14, 2009 12:13PM
Please call Oracle support: 011-319-4010 and state the Customer support number of: 15915156

Please report if your problem has been solved.
Re: SQL plus login error
April 15, 2009 09:20PM
I see its a national number but when I get through, the call centre is actually in Europe. Do I still pay national call rates?

I checked sql plus again now. It seems it cant resolve the host string. Because even if I enter an invalid user or password, there is a moment of waiting then it returns the error ORA-12154 TNS:could not resolve the connect identifier specified. So now my question is what do I use for the host string? And must anything be configured after I install Oracle?
Re: SQL plus login error
June 08, 2009 09:53PM
Please run, on the command line
lsnrctl status
If it shows the same error. Then you probably need to start your services.
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