The Perl procedural language for PostgreSQL
The postgresql-plperl package contains the PL/Perl procedural language, which is an extension to the PostgreSQL database server. Install this if you want to write database functions in Perl.
acquired package info from repodata DB: repodata/8a1c443463280ab9e921e11548112f19daf706d01b9c305f45f6945ee2253583-primary.sqlite.bz2
The programs needed to create and run a PostgreSQL server
PostgreSQL is an advanced Object-Relational database management system (DBMS). The postgresql-server package contains the programs needed to create and run a PostgreSQL server, which will in turn allow you to create and maintain PostgreSQL databases.