Problem with DB and Char size

[Santoemma Enrico]

I have a problem with strings and unicode chars, when writing slq statements on Oracle ODBC driver through HSQL.
I'm writing here because I suspect that a fix could come from writing 8 bit strings, if it is possible somehow.

I'm sorry, the problem is very deep into it's context, and I know it's not easy to follow 



The problem is: Oracle ODBC driver expects, at least under Windows, UCS-2 strings. Then, if the DB is set to UTF-8, it converts the string into UTF-8.
I'm using HSQL to access ODBC.

I have UTF-8 bytes, coming from an UTF-8 source (a web browser), and I