Could somebody help in "how to Connect to database"

I'm trying to connect to database and there's a messege appearing tells " ORA-12154: TNS: could not resolve service name", so please if does anybody know how to solve this problem to send me a solution on my email address ( [email protected])........... Thanks

What client you are using to connect to the database??
If you are using the database's own client that the above solution works.
If you are using forms then you must set the tnsnames.ora of the forms that you are using, and not the database's.
Forms6: %ORACLE_HOME%/Net80/ADMIN/tnsnames.ora
Forms9 and above: %ORACLE_HOME%/NETWORK/ADMIN/tnsnames.ora
Or for both cases you can use the net Configuration Assistance provided by Oracle which is a GUI interface of defining TNS Names.
Regards,
Tony Garabedian

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i m thanksfull,
onlyforjava.

Thanks i try it,
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i m thanksfull.
onlyforjava.

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Dear All,
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Regards,

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<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/6209b52e-0401-0010-6a9f-d40ec3a09424">How to Configure a Business Intelligence JDBC System for Visual Composer</a>
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Could somebody help in "how to Connect to database"

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