I've always found WinFS[1] to be a pretty interesting attempt at a relational filesystem. Although it was probably a bit too ambitious, which led to it being ca

I've always found WinFS[1] to be a pretty interesting attempt at a relational filesystem. Although it was probably a bit too ambitious, which led to it being cancelled. [1] https://en.wikipedia.org/wiki/WinFS https://en.wikipedia.org/wiki/WinFS