Unicode data in non-utf8 oracle 8.1.7

Hi,
I have to migrate unicode data from a UTF-8 Oracle 9.0.2 database to non-utf8 oracle 8.1.7. The tables are small and I am reading and writing into the database using java code.The column which contained the unicode data have been made nchar in oracle 8.1.7.
When I try to insert the data,I get the error:
java.sql.SQLException: ORA-12704: character set mismatch
Can I have unicode data stored in nchar columns in a non-utf8 database?
Is there any documentation available on the same?
Thanks,
Shipra

Check out the Oracle Unicode Database Support paper on OTN - http://technet.oracle.com/tech/globalization/content.html
Basically NCHAR prior to Oracle9i can not be Unicode. If you need to store Unicode data in 8.1.7, you need to use UTF8 as the database character set.
Nat

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