On Tue, Apr 22, 2014 at 8:46 PM, RSmith <rsm...@rsweb.co.za> wrote: > On 2014/04/22 20:06, Dominique Devienne wrote: >> Regarding the uniqueness argument made by DRH, it's actually very hard >> to generate 2 random-based GUIDS, given that a 128-bit is a very very >> large number. It is said that 128-bit is large enough to store the >> estimated number of atoms in our galaxy.// > >> current estimates > are between 78 and 82 orders of magnitude (that's 1.0E+82) of atoms in the > known universe in decimal, which would be around ~1.0 x 2^270 and obviously > require around 270 bits to store.
That's why I wrote "our galaxy", not the "whole universe" ;) --DD _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users