Can I change Characterset after DB Creation?

Hi everybody,
Is it possible to change the parameter CHARACTER SET
specified in database creation after database is created? How can I support
customers who have a database installation with CHARACTER SET
as WE8ISO8859P1, now I want to change it to something else. Is
there any alternative to database re-creation? If not, then how
do I go about creating the database again while retaining the old data??
Any tips, folks?
Regards
Sanchayan

Given that your current character set is WE8ISO8859P1, I don't think there are many places you can go. I think WE8ISO8859P15 (euro-support) would be be a strict superset but not much else; you need to check with Oracle what the valid ones are. This is because the character set determines how your data is encoded in the database: it's relatively simple to add new encodings to an existing set, but impossible to translate the current encoding to a new meaning.
If you want to change to (say) UNICODE then you'll have to do a complete export, recreate the database with the new character set and then import your data.
Good luck, APC

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