DBI/DBD-Pg/perl question

I have a server which runs Postgres 6.3 under linux. On this system perl,
DBI-0.93, and DBD-Pg are installed. This machine can do accesses and
operations to the database with no problems. This machine is called
"earth".

What I am wanting to do, is allow say 20 other machines access to this
database via Perl/DBI/DBD.

Do I have to install Postgres-6.3 on *every* machine that I want to be
able to access the Postgres database on earth, or is there a way to just
compile DBD/DBI/perl on these "client only" machines?

The docs for DBD-Pg say you need to install Postgres-6.3 on the machine
for DBD-Pg to work. I am just trying to find out if this is really
necessary, is there such a thing as a "client only" installation of
Postgres that is a little smaller maybe? If I have to install
Postgres-6.3 on every machine i guess I will, I just didn't want to
maintain that many different copies of one program.

Thank you for your help,

Brian

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