Anyone interested in the strength of a universal hash function should read this:

http://home.comcast.net/~bretm/hash/

FNV does'nt come out that well, but that said, its a very simple algorithmn that can easily be implemented in SQL code if one needs a quick solution.

Also take a look at the other hash related work of Bob Jenkins: http://burtleburtle.net/bob/hash/

And an even faster good hash: http://www.azillionmonkeys.com/qed/hash.html