PostGIS is an open source, freely available, and fairly OGC compliant spatial database extender for the PostgreSQL Database Management System. In a nutshell it adds spatial functions such as distance, area, union, intersection, and specialty geometry, geography, and raster data types to the data...
Relational Database Design Check out our past presentations on PostGIS and PostgreSQLPast Conference Presentations and Trainings. For GIS related tips and concepts, check out ourBoston GIStutorial site. For PostgreSQL related tips and concepts, check out ourPostgres OnLine Journalsite....
PostGIS extends PostgreSQL with robust spatial database management capabilities.More info PostGIS 2.4.5dev Manual http://postgis.net/docs/manual-2.4/ PostGIS is an extension to the PostgreSQL object-relational database system which allows GIS (Geographic Information Systems) objects to be stored in...