PostGIS in Action (2nd)
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PostGIS in Action: (ed. #2) Chapter 15 - Performance Tuning

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When dealing with several tables at once—especially large ones—tuning queries, tables, and geometries becomes a major consideration. The way you express your queries is also important because the same logic expressed with two different SQL statements can have vastly different performance. The complexity of geometries, memory allocation, and even storage affect performance.

  • Planner basics
  • Reading plans
  • Common query patterns
  • Spatial processing for better performance
  • Influencing plans
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