Viewing Chinese Characters / Encoding setting in SQL Developer

Hi all,
I am new to SQL Developer 1.1. I have just downloaded the tool yesterday.
I have a table where there "should" be chinese characters in a NVARCHAR2 column. But I see only inverted question marks when displaying that data in SQL Developer.
I know from a ressource on the web, that SQL Developer is able to display chinese characters ( see http://awads.net/wp/2006/07/06/sql-developer-and-utf8/ ).
The NLS_NCHAR_CHARACTERSET is set to AL16UTF16; the NLS_CHARACTER_SET is set to WE8ISO8859P1.
The encoding under Tools->Preferences->Environment is set to "Cp1252".
What is actually the influence of this Encoding setting and do I have to make changes to that to view the data?
In addition I have to admit, that we actually do not really know if the data entered the DB correctly, that is as chinese characters. Maybe there have occured conversion errors that were made in a application that writes the data into the database. Actually I want to verify that. So, if I have the right settings configured which should be fine to see chinese characters and then I see only inverted question marks I can conclude that the data actually entered the database corrupted and the error is not an display issue with SQL Developer but rather an error in the application that writes the data to the database.
Thanks to any answers in advance!
Regards,
Philipp Hinnah

Hi,
Am able to view chinese characters in VARCHAR2, FUNCTIONS & PROCEDURES.
My Settings are :
1. Developer encoding is X-ORACLE-AL32UTF8.
2. Control Panel :
   Regional& Language Options:
            Standard & Format = English (US)
            Location                 = US
            Under Advanced = China (PRC)
        System :
            Environmental Varaibles
              Variable Name = NLS_LANG
              Variable Value = SIMPLIFIED CHINESE_CHINA.ZHS16GBK 3. Windows Registry for oracle's NLS_LANG all using
SIMPLIFIED CHINESE_CHINA.ZHS16GBK.
4. Oracle database when creating using SIMPLIFIED CHINESE_CHINA.ZHS16GBK
and AL32UTF8.
HTH
Zack

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Viewing Chinese Characters / Encoding setting in SQL Developer

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