ties to any other data in your database, no matter how unique they may
seem. That being said, I agree that key would be pretty hard to
duplicate. However, it could happen....
Ray
At 09:56 AM 7/1/2004, you wrote:
>I believe he means that the combination of those four columns creates a
>unique identifier that can be used as the primary key, much as FirstName +
>MiddleName + LastName + DateOfBirth would go a long way to uniquely
>identifying you.
>
>
>----- Original Message -----
>From: "brobborb" <[EMAIL PROTECTED]>
>To: "CF-Talk" <[EMAIL PROTECTED]>
>Sent: Thursday, July 01, 2004 9:28 AM
>Subject: Re: Which to use as primary key?
>
>
> > You can only have 1 primary key. and usually it is the unique identifier.
>however, those 4 columns can possibly be foreign keys. I am not sure what
>your exact schema is, i am just generalizing.
>
>
>
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