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Re: pervasiveness of surrogate (also called synthetic) keys

From: Rick Genter <rick(dot)genter(at)gmail(dot)com>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: Rick Genter <rick(dot)genter(at)gmail(dot)com>, Rob Sargent <robjsargent(at)gmail(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Greg Smith <greg(at)2ndQuadrant(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: pervasiveness of surrogate (also called synthetic) keys
Date: 2011-05-03 11:25:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
On May 2, 2011, at 10:52 PM, Craig Ringer wrote:

> SSN? What if they don't live in the US or aren't a citizen?

Non-citizens can have SSNs (they have to if they work in the US).
Rick Genter

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