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PostGIS is an extension for the PostgreSQL object-relational database that adds support for geographic objects.
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vote
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Postgis AddGeometryColumn for WKT with different types i.e. Polygon and Multipolygon
points
1,30,10
2,30,10
3,40,20
4,40,30
5,20,20
6,21,21
For these
CREATE TABLE polygons (
id CHARACTER VARYING(50),
value INT,
geo TEXT
);
CREATE EXTENSION postgis …