On Jan 5, 2011, at 9:19 AM, Leif Biberg Kristensen wrote: > I can't help thinking of the «Birthday Paradox»: Yes, the calculation of the probability of a collision is the same for the "birthday paradox" as for random UUID collisions. -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxxx http://www.elevated-dev.com/ (303) 722-0567 voice -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general