"Jameson C. Burt" <jameson(at)coost(dot)com> writes:
> Can one permit numerous users to view Postgresql tables (subject to per
> table permissions, of course), yet not need to recreate password entries
> for Postgresql's mostly duplication of /etc/passwd.
Let them all log in as a "guest" postgres user. There is no good reason
to insist on a one-to-one correspondence of PG user identities and Unix
user identities.
regards, tom lane