Does the PostgreSQL server, pgperl, and httpd have to be on the same host?
No – the PostgreSQL server does not have to be on the same host. As WDB-P95 is called by the http daemon, they have to be on the same host. – And as WDB-P95 was written to use Pg.pm – pgperl has to be on the same host too. Pgperl was written using the libpq library, so it will be able to access any PostgreSQL server anywhere in the net, just like any other PostgreSQL client. As illustrated below (WWW Client (Netscape)) => (HTTP Server (NCSA’s http) + WDB-P95 + pgperl + libpq)=> (PostgreSQL server) Curly brackets () represent machines. Each machine can be of a different type : NT, SUN, HP, … but you need the libpq interface library for the machine type where you plan to use WDB-P95, as you need it to compile pgperl.
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