"Marc G. Fournier" <scrappy(at)postgresql(dot)org> writes:
> Should a 7.5 pg_restore be able to read a 7.4.3 dump? Assuming so, since
> doing upgrades could eb interesting if not, how far back can it go?
Theoretically it will work back to 7.0, or whenever it was that Philip
invented pg_restore. In practice I dunno how much people have tested
with ancient dump files, so there may be some bit rot :-(
regards, tom lane