So what you are saying is that the whole database research community does not really know what a B-Tree is [1]? [1] Every database implementation techniques le

So what you are saying is that the whole database research community does not really know what a B-Tree is [1]? [1] Every database implementation techniques lecture compares the two. See, e.g., http://infolab.stanford.edu/~hyunjung/cs346/ http://infolab.stanford.edu/~hyunjung/cs346/.