Yannick,
> Thanks for your answer, I mean 20 Mo is a Hudge database when yo want
> to use
> it as a embedded database...when you have 32- or 64 Mo of
> disk-on-chip
> memory
You need to talk to others who have done PostgreSQL embedded. Try
sending an e-mail to pgsql-hackers to see if there's anyone there.
-Josh