One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.
Questions tagged [database]
411 questions
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Why do most GIS packages need a numeric id?
This is a simple yet possibly controversial question: why do most (if not all) GIS packages require that a determined layer have a unique not nullable numeric identifier?
Why there is the need for such a surrogate key instead of a natural…
George Silva
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Non-spatial database analysis in ArcGIS - need alternative solution
I've recently joined an organisation where we use ArcGIS to do a lot of non-spatial analysis on a spatial dataset. Our main dataset is an environmental polygon survey with lots of attributes (in an ESRI file geodatabase), and I'm frequently asked to…
TreeMan
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Appropriate data structure for a bunch of polygons
I'm not a GIS guy so this might be a very misguided question. At present I have compiled a python dictionary, on which I perform some simple processing and return some answers. My data is structured as a python dictionary right now:
entire_data = {…
kuch nahi
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