To see which one SQL Developer is using, issue the command show tns in the worksheet. If your tnsnames.ora file is not getting recognized, use the following procedure: Define an environmental variable called TNS_ADMIN to point to the folder that contains your tnsnames.ora file.

2017年12月21日 · OS Environment Variable value for TNS_ADMIN; Registry entry for TNS_ADMIN; The location you specified in the preferences; The last one will trump the others. You can see this for yourself in a SQL Worksheet, by running the command. show tns You do not get a tnsnames.ora file 'for free.' Someone will need to build, maintain, and distribute one ...

2017年9月27日 · Is there any easy way to list out all the available tnsnames in my system via command line?. Whenever I need to find out a tnsname, I just simply search for the tnsnames.ora file with tnsping command and open it in a text editor to scan through.

2008年8月30日 · will show all the file paths that are failing. ... TNS_ADMIN is an environment variable that points to the ...

basically it rounds to setting TNS_ADMIN system variable (because SQL Developer searches there ~ first) and, after restarting SQL Developer, choosing New Connection, and in Connection Type dropdown list, instead of Basic, choosing TNS - so - tnsnames is seen alright, but you shouldn't expect the connections to be populated automatically (that ...

2015年11月25日 · Unable to connect SQL State=S1000 [Oracle][ODBC][Ora] ORA-12170: TNS: Connect timeout occurred I presume, though I am no DBA, that this has something to do with my TNS Service Name not being in TNSNAMES.ORA which points oracle toward the right server, port, etc. However I cannot find TNSNAMES.ORA

plsqldev.exe TNS_ADMIN=c:\your\tns\directory\path\here *path is to the directory containing your tnsnames.ora file - for me this is: c:\Oracle\product\11.2.0\client_1\network\admin. A new PLSQL Developer UI will open and you should be able to connect. Make sure you have a Windows environment variable TNS_ADMIN set to the same path

2012年7月11日 · However, I'm not sure TNS PING will help yet because it seems to be an issue regarding Environment Paths and ODBC being able to locate the .ora file. TNSNAMES.ORA Location. TNS_Admin = E:\app\[username]\product\11.2.0\client_1\network\admin\TNSNAMES.ora. Environment …

2014年1月25日 · ORA-12560: TNS:erro de adaptador de protocolo set Environment Variables: ORACLE_BASE, ORACLE_HOME, ORACLE_SID make sure your user is part of ORACLE_GROUP_NAME (Windows)

2012年11月13日 · ORA-12541: TNS:no listener Cause: The connection request could not be completed because the listener is not running. Action: Ensure that the supplied destination address matches one of the addresses used by the listener - compare the TNSNAMES.ORA entry with the appropriate LISTENER.ORA file (or TNSNAV.ORA if the connection is …