Character set Problem (From WE8ISO8859P1 to EL8MSWIN1253)

Hi there,
I would like to describe a problem that I face with import, export and Greek characters.
I have two databases with the following characteristics
Source database:
O/S version Windows
Database version à 10GR2
NLS_CHARACTERSET à WE8ISO8859P1
NLS_NCHAR_CJARACTERSET à AL16UTF16
NLS_LANGUAGE à GREEK
NLS_TERRITORY à GREECE
Target database:
O/S version Windows
Database version à 10GR2
NLS_CHARACTERSET à EL8MSWIN1253
NLS_NCHAR_CJARACTERSET à AL16UTF16
NLS_LANGUAGE à GREEK
NLS_TERRITORY à GREECE
From the source database, using the export tool I am exporting a table (TABLE_A) which contains Greek records. At this point I want to mention that the from the source database I am able to read the Greek characters from TABLE_A by using sqlplus i.e (select * from table_a;)
On the target database by using import I load the table TABLE_A into the database.
When I select the newly imported TABLE_A on the target database I am not able to read the Greek characters.
I have tested various scenarios by using different values for the NLS_LANG variable regarding export and import clients but I did not manage to read the Greek characters on the target database.
If anyone faced the same or a similar problem please I am asking for assistance.
Thank you in advance

Please, review this thread:
Re: Arabic Character set conversion-help needed
The thread describes a similar issue for Arabic data. Therefore, when reading the thread, substitute 'WE8ISO8859P1' for 'AR8ISO8859P6', 'EL8MSWIN1253' for 'AR8MSWIN1256', and 'Greek' for 'Arabic'.
-- Sergiusz

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kk001 wrote:
Hi ,
The export Backup failing due to character set problem
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Please suggest how to set character set
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Edited by: kk001 on Aug 29, 2011 7:22 PM

kk001 wrote:
Hi ,
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S. Wolicki, Oracle wrote:
I have little experience with MySQL and ODBC Gateway, but this setting looks weird to me: HS_LANGUAGE=AMERICAN_AMERICA.WE8ISO8859P1. Why do you configure WE8ISO8859P1 when both databases are Unicode UTF-8. Shouldn't the setting be AMERICAN_AMERICA.AL32UTF8 instead?
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