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List:       postgresql-sql
Subject:    Re: [SQL] User defined types -- Social Security number...
From:       Bruce Momjian <pgman () candle ! pha ! pa ! us>
Date:       2004-02-28 16:18:53
Message-ID: 200402281618.i1SGIrp28893 () candle ! pha ! pa ! us
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Josh Berkus wrote:
> Greg,
> 
> > Anyone have a good pre-built user-defined type definition for creating /
> > maintaining / manipulating a SSN ... where valid chars are in the range
> > 000-00-0000 through 999-99-9999.
> 
> Actually, the range is more narrowly defined than that.  I'm not sure of the 
> exact rules, but you will never see a leading 0 or a -00- in an SSN.

Actually I know someone who's SSN starts as 003.

Agreed on the DOMAIN suggestion.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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