Matt Juszczak wrote: > something is NULL, then you don't know what it is. It could be empty, > or it could be set. You just don't know.
That's precise the part I can't seem to wrap my head around. > If something is empty, then you know it's empty. So if birthdate is set > to '', then you know they have no birthdate. But if it's set to NULL, > you don't know if they have one or not. Thanks for trying, Matt, but I still don't get the purpose of "knowing that you don't know" something, so to speak. *headdesk* Bev _______________________________________________ New York PHP User Group Community Talk Mailing List http://lists.nyphp.org/mailman/listinfo/talk http://www.nyphp.org/show_participation.php
