Re: ORA-12203 : TNS: Unable to connect to destination

Look for a file named TNSNAMES.ORA in your ORACLE_HOME\NETWORK\ADMIN directory (in a MS-Windows environment). Open the file with a text-editor. All character-strings before '.world' can be valid connect strings for SQL-Net ('database' -option in your login-window). You could also try a blank SQL-Net connect string (so don't type anything in the database-option), in case you try to connect to a local instance.

Good luck,  

Jan-Hein Biekens

nenadjak2_at_my-dejanews.com schreef in artikel <7eik37$et9$1_at_nnrp1.dejanews.com>...
> Hi,
> If I try to type in database name in Developer 2000
> or Demo when I am prompted.
> I get message. ORA-12203 : TNS: Unable to connect to destination.
> Does anybody knows how to find out database name.
> Because my friend installed Oracle for me I dont now database name.
>
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Received on Wed Apr 14 1999 - 04:30:21 CDT