Re: pervasiveness of surrogate (also called synthetic) keys

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От Rick Genter
Тема Re: pervasiveness of surrogate (also called synthetic) keys
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Msg-id B5193209-E7FF-4344-AB36-18A11EA90E2D@gmail.com
обсуждение исходный текст
Ответ на Re: pervasiveness of surrogate (also called synthetic) keys  (Craig Ringer <craig@postnewspapers.com.au>)
Список pgsql-general
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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
rick.genter@gmail.com

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