GIS: PostGIS/PostgreSQL vs. MySql vs. SQL Server? [closed]

GIS: PostGIS/PostgreSQL vs. MySql vs. SQL Server? [closed]

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postgresql

How do I convert a latitude/longitude pair into a PostGIS geography type?

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postgresql

Distance between 2 POINTs in Postgis in srid 4326 in metres

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postgresql

How to choose between MongoDB and PostgreSQL for GIS? [closed]

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postgresql

ST_DWithin takes parameter as degree , not meters , why?

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postgresql

How to convert polygon data into line segments using PostGIS

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postgresql

SQL query for point-in-polygon using PostgreSQL

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postgresql

MySQL Postgresql / PostGIS

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postgresql

Encoding problems with ogr2ogr and Postgis/PostgreSQL database

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postgresql

Separate GIS points into groups of points that are close to each other

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postgresql

What SRID should I use for my application and how?

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postgresql

How to improve query performance that compute haversine formula?

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postgresql

Cluster points in PostGIS

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postgresql

Find all items within a bounding box with PostGIS and Rails

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postgresql

Using PostGIS with an existing data table that has decimal coordinates

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postgresql