Hi Nikhil,

The Database design has been documented here:

This is, at its essence, a modified EAV Model(
https://en.wikipedia.org/wiki/Entity–attribute–value_model). A good place
to start researching for these kinds of database design, is to look at
various documents on EAV, its shortcomings & Strengths.

You should also evaluate if a NoSQL/Object Store database might be a better
fit for your purpose, than designing an EAV Data model to be stored in a
relational Database.


On Mon, Feb 5, 2018 at 11:12 AM, Nikhil VJ <nikhil...@gmail.com> wrote:

> Hi,
> I want to learn how OpenStreetmap stores and manages its data, plus how
> Overpass Turbo extracts it.
> I find the key-value pair system fascinating (variable fields, organic
> building up of data) and want to replicate that elsewhere. Just the data
> storing part.. don't want to generate map tiles etc.
> Any pointers? Any place I should ask?
> For those interested, here's a link to the project I have in mind:
> Crowdsourcing-Map-based-data
> <https://github.com/datameet-pune/datameet-pune.github.io/wiki/Crowdsourcing-Map-based-data>
> --
> Cheers,
> Nikhil VJ
> Pune, India
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