Thread: oracle 11g client / oracle 10g express edition in one computer

This question is not answered. Helpful answers available: 4. Correct answers available: 1.


Permlink Replies: 9 - Pages: 1 - Last Post: Sep 4, 2009 11:55 AM Last Post By: Hans Forbrich
user_rrr

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Registered: 09/28/05
oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 3, 2009 1:07 PM
 
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Hi All,
I already have Oracle 11g Client installed in my computer. I wanted to Install Oracle 10g Express Edition in the same computer. So that I shall work with that even when I am not in the network. My Question is : Will installing both of 11g Client and 10g XE will cause conflict in my computer or is it ok to install both. Any suggestion/information is appreciated.
Regards,
RRR
AndyPol

Posts: 400
Registered: 01/07/06
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 3, 2009 1:31 PM   in response to: user_rrr in response to: user_rrr
 
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No problem install XE and 11g on the same machine/system. You have to remember about tnsnames.ora files in XE and 11g homes have to be identical.
Paul M.

Posts: 8,806
Registered: 12/26/02
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 3:01 AM   in response to: AndyPol in response to: AndyPol
 
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tnsnames.ora files in XE and 11g homes have to be identical.
Even better having only one tnsnames.ora and use TNS_ADMIN environment variable.

On one test machine I have 7 different Oracle products : should I have 7 tnsnames.ora ?
user_rrr

Posts: 7
Registered: 09/28/05
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 5:15 AM   in response to: Paul M. in response to: Paul M.
 
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What do you mean by using TNS_ADMIN environment? Can you please shed more light on that?
Regards,
RRR
AndyPol

Posts: 400
Registered: 01/07/06
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 5:31 AM   in response to: user_rrr in response to: user_rrr
 
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If you work on WINDOWS OS

You can run comand in cmd SET TNS_ADMIN=c:\path_to_your_tnsnames.ora_files

If you need to set this env. variable permanently then,
Try setting the TNS_ADMIN variable as a system environment variable.
Go to my computer -> right click ->properties ->Advanced ->Click on Enviroment Variable -> Add
Paul M.

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Registered: 12/26/02
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 5:43 AM   in response to: user_rrr in response to: user_rrr
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What do you mean by using TNS_ADMIN environment?
Did you read the link ?
user_rrr

Posts: 7
Registered: 09/28/05
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 9:00 AM   in response to: Paul M. in response to: Paul M.
 
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I installed oracle xe. While connecting I am getting ORA-12154 Error.
Paul M.

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Registered: 12/26/02
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 9:56 AM   in response to: user_rrr in response to: user_rrr
 
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What are you trying to do exactly ? please be specific.
user_rrr

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Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 10:40 AM   in response to: Paul M. in response to: Paul M.
 
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I already have a oracle 11g client installed in my machine. but i will be able to connect to this only when i am in the network. Say if i am not in network, i still wanted to connect to some database to connect my forms. So I tried installing Oracle 10g Express Edition so that i can connect to that when i am not in the network. After installing I tried connecting to the express edition saying user/password@xe. When i tried doing that i am getting the above error.
Hans Forbrich

Posts: 10,458
Registered: 03/13/99
Re: oracle 11g client / oracle 10g express edition in one computer
Posted: Sep 4, 2009 11:55 AM   in response to: user_rrr in response to: user_rrr
 
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Your Express Edition needs to be installed to use the LOOPBACK Adapter. Other than that, it'll work.

Microsoft has a KB article describing how to install it. There are probably around 500 threads describing that in the category Database forums (one level up).

A mild amount of search in internet or in forums for 'loopback adapter and XE' will also provide detailed instructions as well. (I know - I've written dozens.)
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