> > my ideal way is to use only the firebird service to have the specific
> data exported as a single file, than i send the file throw internet and
> update the db without using other external applications as db
> synchronization app.

- Export data to external tables.
- Send files of external tables to central machine.
- Import data from recevied external tables.

Easy way, quick import/output/transfer.
You have a good grip on the situation ;)

eMeL

ps.
you can use my utility too for this job ;)
http://trustware.emel.hu/index.php?page=12