[postgis-users] polygons inside polygon

paul.malm at lfv.se paul.malm at lfv.se
Mon Nov 29 22:24:39 PST 2021

I have a polygon layer where polygons are inside other polygons (could be polygons in polygons in polygons...).
I would like to separate them in 2 different layers, one layer with the outer most polygon and one layer with all polygons that has a surrounding polygon.
Is there a smart way to do this in SQL?

  Paul Malm

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