Hi,

> Hi. May I know what is the encoding format (utf 8 ? base 64 ?) for the
> old 1.1.119 (non-page store) database and the current page store.

The file format is internal to H2 and not relevant for the
application. You can store and read any Java string without losing
data, that's all you need to know as a user of H2. That said, the
internal encoding is not UTF-8 and not Base64, but it's relatively
close to UTF-8. For details, see Data.java.

At some point I do plan to fully document the (current) file format,
but currently I believe it's not required / needed yet.

> 'one-to-one' database migration tool

That would be very complicated I'm afraid. The hard part is reading
the transaction log and apply changes in the data file. I don't think
it would be worth it. If you want to do it, you are on your own. I
will not be able to help you.

Regards,
Thomas

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