Tecadmin published a tutorial about how to check the PostgreSQL version.
How to Check the PostgreSQL Version
PostgreSQL is an advanced, open-source relational database management system. It is written in C programming language and was developed at the University of California, Berkeley in 1996. Initially, version 1.0 of Postgres95 was announced on September 5, 1995. The first non-university version of PostgreSQL was provided on July 8, 1996, by Marc Fournier at Hub.org
