From: Anthony Pace
Date: January 20 2011 7:11pm
Subject: Re: best way to have a unique key
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I know of uuid() my problem is that there can be conflicts when copying 
the DB to a different machine, or working with sections of the db on 
different machines for load balancing.

On 1/20/2011 1:44 PM, Krishna Chandra Prajapati wrote:
> >  Please keep in mind this variable will also be displayed on the customer's
> >  Receipt, but again, since it's random, it doesn't have to mean anything.