UUIDs can be chosen to have at least a rough ordering to make them more efficient to use as primary keys, discussion about this use here: https://github.com/jmc

UUIDs can be chosen to have at least a rough ordering to make them more efficient to use as primary keys, discussion about this use here: https://github.com/jmcvetta/guid/blob/master/README.md https://github.com/jmcvetta/guid/blob/master/README.md