On Sat, Nov 04, 2006 at 05:01:12PM -0800, Bob Pawley wrote: > What is an example of how geometric datatypes are being used? They could be used for simple GIS applications (e.g., storing latitude/longitude as points), although PostGIS would be more suitable for non-trivial needs. Are you asking about PostgreSQL's native geometry types specifically or are you also interested in how PostGIS is being used? If the latter then see their case studies: http://postgis.refractions.net/documentation/casestudies/ -- Michael Fuhr