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PostGIS in Action, Third Edition teaches you to solve real-world geodata problems. It first gives you a background in vector-, raster-, and topology-based GIS and then quickly moves into analyzing, viewing, and mapping data. You'll learn how to optimize queries for maximum speed, simplify geometries for greater efficiency, and create custom functions for your own applications. You'll also learn how to apply your existing GIS knowledge to PostG...

HIGHLIGHTThe first book about PostGIS, a lightweight, open source tool that addsgeographic support to the popular PostgreSQL database. PostGIS isused to develop location-based services.DESCRIPTIONFrom mobile phone usage to online shopping and every application inbetween, location is an incredibly important piece of data. PostGIS is ahigh-caliber, open source tool that allows developers to take locationinformation and make it actionable.PostGIS...

Thinking of migrating to PostgreSQL? This clear, fast-paced introduction helps you understand and use this open source database system. Not only will you learn about the enterprise class features in versions 9.5 to 10, you'll also discover that PostgeSQL is more than a database system—it's an impressive application platform as well.With examples throughout, this book shows you how to achieve tasks that are difficult or impossible in other data...

RETAIL SELLING POINTS Comprehensive coverage of PostGIS Applies PostGIS to real-world problems Significant updates to the first edition AUDIENCE Familiarity with relational database concepts is helpful but not required. This book is for programmers, GIS and DB practitioners, scientists, researchers, educators, and engineers.