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If you run the test script now, you'll get an error message about "Missing or unknown NLS entry". NLS_LANG tells Oracle what language to default to. The installed value doesn't correspond to any known language packs. Per a bug report on the Oracle site, run regedit.exe and rename or delete the registry key
My Computer\HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\NLS_LANG .
Alternately, work with an Oracle DBA to give it a meaningful value.
8. Run the test script.
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