Path: dp-news.maxwell.syr.edu!spool.maxwell.syr.edu!drn.maxwell.syr.edu!news.maxwell.syr.edu!border1.nntp.dca.giganews.com!nntp.giganews.com!local1.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail
NNTP-Posting-Date: Wed, 02 Feb 2005 09:53:57 -0600
From: "Mark A" <nobody@nowhere.com>
Newsgroups: comp.databases,comp.databases.oracle.server
References: <ctakrl$3pm$1$830fa7a5@news.demon.co.uk> <1106842617.933021@yasure> <Xns95ECCDB3EC0E5znzn122eduinvalid@216.196.97.131> <ctlsgn$nr3$1@news4.zwoll1.ov.home.nl> <1107199784.292798@yasure> <ctocan$mtd$1@news5.zwoll1.ov.home.nl> <ctom21$ak5$1@ls219.htnet.hr> <ctqf0h$2ln$1@news1.zwoll1.ov.home.nl>
Subject: Re: Beginner help needed in database design
Date: Wed, 2 Feb 2005 08:55:48 -0700
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2800.1478
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1478
Message-ID: <QtOdnWafs-MIap3fRVn-pQ@comcast.com>
Lines: 16
NNTP-Posting-Host: 67.177.219.132
X-Trace: sv3-NAuoPC81nEkvbsdSEvgEzumO7Z3kjCyKnBBunjsaQYMi6pKcnmALINMEKDG5eWaIF90BWKhXPeswf1m!WPHhOzqZOTxCDDICRmvQkpRaE540cfTH/qPyH7ZTLmXl5NX6AB7AkLjtOxxkrfc=
X-Complaints-To: abuse@comcast.net
X-DMCA-Complaints-To: dmca@comcast.net
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
X-Postfilter: 1.3.22
Xref: dp-news.maxwell.syr.edu comp.databases:43234 comp.databases.oracle.server:234807

"Frank van Bortel" <fvanbortel@netscape.net> wrote in message
news:ctqf0h$2ln$1@news1.zwoll1.ov.home.nl...
>
> SSN is a prime example is a technical key. Why is
> it people do not have a problem recognizing me by name,
> but computers do?
> -- 
> Regards,
> Frank van Bortel

That is not true. Names are not unique (maybe yours is). For most people,
there is another person somewhere with the same exact name. Not true with
social security name or employee number (at least it is intended that these
are unique).