Why is there only ONE NoSQL Platform in .NET vs dozens in Java? [closed]

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Here's a list http://en.wikipedia.org/wiki/Structured_storage

I can only see one for .NET (a开发者_如何学编程nd it doesn't even work as expected ! Sones GraphDB Query Returning Error)

Is it because .NET just don't get it yet ?

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That comparison table shows the language the project was implemented in, which does not (necessarily) restrict the platform it can be used on.

For example, MongoDB is implemented in C++, but has native-language drivers for C#, Python, Ruby, Javascript, etc.