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Re: Tracking past group memberships of multiple groups
Posted by: Peter Brawley
Date: January 20, 2013 12:37PM

SQL isn't smart about time, eg every UPDATE creates an instance of amnesia in the system unless you take explicit steps to prevent it. If you want the system to preserve correct history, the only known way is via point-in-time architecture as described in articles like the one I cited.

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