"Keith Worthington" <keithw@narrowpathinc.com> writes:
> I am currently running PostgreSQL v7.3.6 on Red Hat Linux ES v3 because that
> is what Red Hat gave me. Can I run PostgreSQL v7.4.6 and/or v8.0.0Beta in
> parallel?
Yes, but not using the RPM distributions, because the different RPMs
will want to overwrite the same files (eg, /usr/bin/postgres). You'd
need to build the non-default installations from source and specify
nonstandard install directories.
regards, tom lane