On Wed, 29 Aug 2007, David Sparks wrote:
A UUID is preferable to the other solutions because you can condense it down to 128 bits of binary data ... and put it in a database. :)
A UUID, OTOH, only makes collisions unlikely, not impossible, and also uses up entropy, which may be a relatively scarce resource.
The other solutions are not as database friendly.
Really? --- Charlie
