"Gordon A. Runkle" <gar@no-spam-integrated-dynamics.com> writes:
> Will upgrading from Beta6 to RC1 require dumping and restoring
> databases?
No, just compile and install. If you'd been on beta5 or earlier,
you'd need to run contrib/pg_resetxlog to update pg_control format,
but still no initdb.
regards, tom lane