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Re:SQL Keys in Depth by twic on Tuesday January 02, 2018 @03:34PM (#16055354)
I don't have exactly the same name as my father, and we are not members of the same squash club. So, in the sample so far, there's only a 50% chance of that happening. I suspect that if we enlarged the sample, it would fall much further.

A single counterexample does not falsify the theory that the odds are very very poor!

Re:SQL Keys in Depth by Dylan16807 on Wednesday January 03, 2018 @04:56AM (#16059759)
We're interested in the odds of collision of people in the same club. Any data about people not sharing a club is irrelevant.

> I suspect that if we enlarged the sample, it would fall much further.

Try to back that up, maybe.