Such as Oracle Locator/Spatial and SQL Server. In addition to basic location awareness, PostGIS offers many features rarely found in other competing spatial databases ), superhero (name ,geom ) AS ( VALUES ( 'Bat Boy', ST_Point ( 0.1, 0 ) ), ( 'Bat Girl', ST_Point ( 1, 1 ) ) ) SELECT superhero. ST_Buffer (ST_Point ( 0, 0 ), 10 ) AS geom It adds support for geographic objects allowing location queries to be run in SQL. PostGIS is a spatial database extender for PostgreSQL object-relational database.
