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by AnIdiotOnTheNet 1754 days ago
> That is, unless there exists some kind of tree structured database that I don't know about ...

Believe it or not, hierarchical databases were actually quite popular once upon a time, mostly in IBM mainframe land as I understand it. Today the Windows registry is a hierarchical database in common use.
2 comments
Joker_vD 1753 days ago
And Codd's invention of RDBMS killed those very successfully... until we reinvented them , first with XML, second with NoSQL, and rediscovered, again, why the relational databases were such a huge success and adopted with such enthusiasm.
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PaulDavisThe1st 1753 days ago
Rather more common that the Windows registry: any kind of filesystem.
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