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7 pages in this section.
Why PostGIS models space the way it does, from coordinate reference systems to how spatial indexing extends Postgres's own type and index framework.
Learn how PostGIS extends PostgreSQL with geometry and geography types, spatial functions, and indexes for transactional geospatial data.
Compare PostGIS geometry and geography types. Learn how each handles planar vs. spheroid math, SRID, and distance calculations in SQL.
Accelerate PostGIS bounding-box and distance queries with GiST indexes. Learn to create indexes on geometry/geography columns and optimize spatial queries.
Learn PostGIS best practices for data modeling, indexing, and performance. Optimize geospatial tables, ETL pipelines, and map tile requests.
A single-page roundup of every highlight bullet from the 6 pages in the PostGIS section, grouped by source page so you can scan all 35 takeaways without opening each article individually.