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PostGIS

Introduction
ST_Equals
Relationships Between Geometries
11. Additional exercise - ST_Intersects
ST_Distance and ST_Dwithin
Spatial joins practice
Summary

Instruction

Well done! It's time for some additional exercises.

Exercise

How many hotels that intersect with Downtown have an average price for a double room below 100?

Stuck? Here's a hint!

Use COUNT(*) in the SELECT clause. Join sf_planning_districts with sf_hotels and introduce two conditions in the WHERE clause.