Download text files with non-English characters

I use an Apex page to download text files. Can I retrieve the contents of the wwv_flow_files.blob_content files and convert them into varchar2 with utl_raw.cast_to_varchar2, but the characters like o, to, u become garbage.

What could be the problem? Characters lost when files are stored in wwv_flow_files or when I do the conversion?

Some other info:
* I don't see wwv_flow_files. DAD_CHARSET has the value 'ascii', wwv_flow_files. FILE_CHARSET is null.
* Try utl_raw.cast_to_varchar2 (utl_raw.cast_to_raw ('aoeu')) returns "aoeu" correctly;
* NLS_CHARACTERSET setting is AL32UTF8 (not only English ASCII)

Hello

Take a look at the csv upload - suggestion required with characters non-English in the csv file , it might help you.

Thank you
Manish

Tags: Database

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