PostGIS in Action, 3rd Edition (True PDF, MOBI) | English | 2021 | ISBN: 1617296694, 978-1935182269 | 704 pages | True PDF , MOBI| 53.16 MB
Whether you're canvassing a congressional district, managing a sales region, mapping city bus schedules, or analyzing local cancer rates, thinking spatially opens up limitless possibilities for database users. PostGIS, a freely available open-source spatial database extender, can help you answer questions that you could not answer using a mere relational database. Its feature set equals or surpasses proprietary alternatives, allowing you to create location-aware queries and features with just a few lines of SQL code.