Let's take a brief look at some of the more common geospatial development tasks you might encounter.
Imagine that you have a database containing a range of geospatial data for San Francisco. This database might include geographical features, roads, the location of prominent buildings, and other man-made features such as bridges, airports, and so on.
Such a database can be a valuable resource for answering various questions. For example:
Many of these types of problems can be solved using tools such as the PostGIS ...