Re: Database design, Keys and some other things
- From: "Marshall Spight" <marshall.spight@xxxxxxxxx>
- Date: 26 Sep 2005 19:37:26 -0700
JOG wrote:
>
> The real world is stating a predicate such as:
>
> "There is a car that is a buick, blue and built in 2000."
>
> NOT
>
> "There is a car that is a buick, blue and built in 2000 with an
> invisible universal id of 24."
What's a VIN, then? Are we all imagining them? Are they somehow
outside of the real world? Is your bank account id somehow
Not Of This Earth? If you bank account didn't have an id,
would it be enough to identify it just by the balance?
"There is a bank account that is a checking account, with
$1,000,000.00 in it." Could I then authenticate myself to
the bank by saying, yeah, I'm the guy with the million
dollars in the bank. If you forgot your balance, would
that mean you lost access to your money?
Marshall
.
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