PostgreSQL also has a great number of procedural languages available,
a short but not complete list is below:
-pl/c - Included in PostgreSQL core
-plPgsql - Included in PostgreSQL core - Similar to Oracle PL/sql
-plPerl - Included in PostgreSQL core
-plPHP - http://projects.commandprompt.com/projects/public/plphp
-plPython - Included in PostgreSQL core
-plJava - http://gborg.postgresql.org/project/pljava/projdisplay.php
-plTcl - Included in PostgreSQL core
+PL/pgSQL - included in PostgreSQL source distribution
+PL/Perl - included in PostgreSQL source distribution
+PL/PHP - http://projects.commandprompt.com/projects/public/plphp
+PL/Python - included in PostgreSQL source distribution
+PL/Java - http://gborg.postgresql.org/project/pljava/projdisplay.php
+PL/Tcl - included in PostgreSQL source distribution
See the file INSTALL for instructions on how to build and install
PostgreSQL. That file also lists supported operating systems and