hi there

i know this than if i wantto change the firebirds version i must
restore and back it up but how?also when i back and restore my fdb up
whats must to be the fb version.is must to be old version or new
version?as an example i was use 1,5 then i should use 2,0 version?
which one version must to be install when i back my fdb up and restore
it?and if i restore it the fdbs size will small?and why?
and can someone tell to me about the steps please.
thanks