On Mar 6, 2011, at 6:46 PM, David Krings wrote: > On 3/6/2011 3:46 PM, tedd wrote: >> You won't have any "redundant" info if you use email as unique -- after all, >> email *IS* unique. > Unique yes, but it can change.
I think in Gary's original post, he was talking about having an alias table to account for the username (or email or whatever) changing. But I guess once it changes, those primary keys are no longer useful data and you might as well have used an id in the first place. _______________________________________________ New York PHP Users Group Community Talk Mailing List http://lists.nyphp.org/mailman/listinfo/talk http://www.nyphp.org/Show-Participation