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ora-12154 DB Oracle10g connection from DOS/command prompt

Posted on 2008-06-16
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Last Modified: 2012-05-05
Hi All,

I have been having problems to connect to my 10g database using DOS/command prompt window. I 've already connected to that database using SQL*Plus, and it is working ok. I checked my sqlnet.ora, lsitener.ora, and tnsnames.ora, and they seems to be ok as well. I got an ORA-12154 error message.
Can anyone tell me why it is  happening?..any idea?
Thanks.
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Question by:danieliturbe
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Accepted Solution

by:
MikeOM_DBA earned 1000 total points
ID: 21796166

Did you set ORACLE_HOME, ORACLE_SID and the correct PATH environment variables?
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Author Comment

by:danieliturbe
ID: 21796217
Over the registry?..if so, yes I did it.
This are my entries:
ORACLE_HOME=c:\OracleHomes\db10g
ORACLE_SID=emrep
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Expert Comment

by:rbrooker
ID: 21796656
when you use a command prompt, you need to issue the command:

set ORACLE_SID=<YOUR_SID>

before connecting using command line sqlplus.  you do this for every command window you open.  did you do this?
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Author Comment

by:danieliturbe
ID: 21797213
Yes I did it.
c:\>set ORACLE_HOME=emrep...is that ok?? or I missed something?....because I still having the same error #.
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Expert Comment

by:rbrooker
ID: 21797232
not oracle_home, oracle_sid.

set ORACLE_SID=EMREP

is EMREP the name of your database?
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Author Comment

by:danieliturbe
ID: 21797421
yes.
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Author Comment

by:danieliturbe
ID: 21802253
Hello,
The DB name is "EMREP"...
Any ideas?
Thanks.
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LVL 18

Expert Comment

by:rbrooker
ID: 21806495
thats all i can think of.

C:\>set ORACLE_SID=EMREP
C:\>sqlplus /nolog
SQL> connect / as sysdba
Connected.
SQL>

after that, im all out.
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Author Comment

by:danieliturbe
ID: 21806551
Thank you , but now I am getting the following:

Error 6 initializing SQL*Plus
Message file SP1<lang>.msb not found
SP2-0750 You may need to set ORACLE_HOME to your Oracle software directory.
ANy idea over this?

Thanks a lot.
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Assisted Solution

by:rbrooker
rbrooker earned 1000 total points
ID: 21806566
C:\>set ORACLE_SID=EMREP
C:\>set ORACLE_HOME=C:\where\ever\you\installed\oracle
C:\>sqlplus /nolog
SQL> connect / as sysdba
Connected.
SQL>
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