Bruce Hyatt <brucejhyatt(at)yahoo(dot)com> writes:
> I can't say for sure but I also can't believe that you could restore an 8.1 dump on an 8.0 database.
It might work if your 8.1 DB isn't actually using any features that
weren't present in 8.0. But you'd have to test it. It's not generally
a case that we worry about making work.
regards, tom lane