I read the HN comments before clicking through the link. I had assumed it covered more "classical" databases, like SQLite. But your comment makes a little more

I read the HN comments before clicking through the link. I had assumed it covered more "classical" databases, like SQLite. But your comment makes a little more sense given the specific databases covered. Though I say that out of ignorance -- e.g. I don't know for sure what makes NuoDB a "fundamentally new architecture".