From: Devrim Gunduz
+Connect to the database that you want to create the extension as superuser and run:
+Post-installation
+
+
+
+CREATE EXTENSION postgis; # Main extensionCREATE EXTENSION postgis_raster; # PostGIS raster types and functionsCREATE EXTENSION postgis_sfcgal; # PostGIS SFCGAL functionsCREATE EXTENSION postgis_tiger_geocoder CASCADE; # PostGIS tiger geocoder and reverse geocoder. CASCADE is needed for the fuzzystrmatch extensionCREATE EXTENSION postgis_tiger_topology; # PostGIS topology spatial types and functions