Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
PostGIS
open-in-new
<p>PostGIS is an open source software program that adds support for geographic objects to the <a href="/facts/PostgreSQL/LHdXuHfl">PostgreSQL</a> object-relational database. PostGIS follows the <a href="/facts/Simple_Features/R8bwfcrs">Simple Features</a> for SQL specification from the <a href="/facts/Open_Geospatial_Consortium/uDKbX6Cl">Open Geospatial Consortium</a> (OGC). </p><p>PostGIS is implemented as a <i>PostgreSQL external extension</i>. </p>