Naomi Walker <nwalker@eldocomp.com> writes:
> When upgrading to a minor release (only third digit changing),
> specifically, 7.3.2 to 7.3.4, do I have to pg_dump and reload everything?
No. Minor releases are always data-compatible. Just stop postmaster,
install new software, restart postmaster. (Just for paranoia's sake,
you might want to take a backup beforehand...)
regards, tom lane