NYCPHP Meetup

[Rob Marscher]

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.