Printer-friendly version Overview Checklist Management Functions Geometry Constructors Geometry Accessors Geometry Editors Geometry Outputs Spatial Relationship and Measurement Functions PostGIS Spatial Function Practice Exercises PostGIS Spatial Function Practice Exercise Solutions Project 4: Jen and Barry's Site Selection in PostGIS Book traversal links for Lesson 4: Advanced Postgres/PostGIS Topics ‹ Lesson 3 Practice Exercise Solutions Up Overview ›