# PostGIS &last_release_version; Manual

Paul Ramsey
clever elephant

    Victoria
            British Columbia Canada
            pramsey@cleverelephant.ca

PostGIS is an extension to the PostgreSQL object-relational database system which allows GIS (Geographic Information Systems) objects to be stored in the database. PostGIS includes support for GiST-based R-Tree spatial indexes, and functions for analysis and processing of GIS objects.

This is the manual for version &last_release_version;

&introduction; &installation; &faq; &using_postgis_dataman; &using_postgis_app; &performance_tips; &reference; &postgis_aggs_mm; &reporting; &release_notes;