PostGIS in Action (2nd)
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PostGIS in Action: (ed. #1) Chapter 8 - Techniques to solve spatial problems

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  • Using joins with spatial
  • SQL Aggregates and spatial aggregate
  • Proximity analysis
  • Common geometric processing

In this chapter we mix spatial functions with SQL with wild abandon. You'll see powerful one-liners to blow your mind. You'll see window function tricks, common table expressions, recursive table expressions, and also the basics of proximity queries. You'll learn how to mold space with SQL to accomplish common world needs that you may have thought were only possible with a desktop GIS tool.

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