Good description of distributed systems and Keys.

<http://www.brentozar.com/archive/2012/09/trouble-keys/>

I laugh at the comment made " In practice, random isn't always random."

Isn't that what makes it random?

Oooh...

"This is where the war about numbers vs GUIDs gets nasty and someone gets their feelings hurt. Ignoring the size of GUIDs, I can say that I've witnessed several GUID collisions in production systems. GUIDs are only theoretically unique -- they may even create a problem that you didn't know you had."

Hm... though this guy loses points for having his words on a website that uses pale grey text on a white background. Who in hell can read that? I have to highlight the text with the mouse to provide some contrast so I can see it. I swear, 99 out of 100 so-called web "designers" should be forced to answer questions about the information contained on their sites, and every time they can't find or read something, one of their fingers or toes should be cut off.

Ken Dibble
www.stic-cil.org

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