qgis/QGIS-Documentation — pull request #411 by DiGro (2014-12-11 16:03:30+00:00)
Title: Replaced outdated link

The mentioned link was outdated and intended for PostgreSQL 8.3.

added the link to version for PostgreSQL 9.0
http://www.postgresonline.com/downloads/special_feature/postgresql90_cheatsheet_A4.pdf