Leif B. Kristensen wrote:
Still, I'm struggling with the basic concept of /identity/, eg. is the
William Smith born to John Smith and Jane Doe in 1733, the same William
Smith who marries Mary Jones in the same parish in 1758? You may never
really know. Still, collecting such disparate "facts" un
On Feb 4, 2006, at 2:23 , Merlin Moncure wrote:
If you kind determine an easy natural differentiator, invent one:
create table contact
(
account text, name text, memo text,
primary key(account, name, memo)
);
The memo field is blank in most cases unlees it's needed. Suppose you
were filli
> I definitely agree with you here, Merlin. Mutability is not the issue
> at hand. May I ask what strategies you use for determining uniqueness
> for people?
Well, that depends on the particular problem at hand. If you had two
john smiths in your system, how would you distinguish them? If you
ass
Michael Glaesemann wrote:
Hello, all!
Recently there was quite a bit of discussion regarding surrogate keys
and natural keys. I'm not interested in discussing the pros and cons of
surrogate keys. What I'd like to find out are the different methods
people actually use to uniquely identify c
On Feb 3, 2006, at 7:25 , Merlin Moncure wrote:
There is also the problem that a name can change. People change
names
by deed-poll, and also women can adopt a married name or keep
their old
one. All in all an ID is about the only answer.
I'll take the other side of this issue. The fact
> > I should perhaps be posting this under another subject, but I feel that
> > beneath the surface, Michael's problem and my own are strongly related.
> There is also the problem that a name can change. People change names
> by deed-poll, and also women can adopt a married name or keep their old
On Thursday 02 February 2006 21:09, Martijn van Oosterhout wrote:
>To the GP, your page is an interesting one and raises several
>interesting points. In particular the one about the "person" being the
>conclusion of the rest of the database. You essentially have a set of
>facts "A married B in C on
- Original Message -
From: "Leif B. Kristensen" <[EMAIL PROTECTED]>
To:
Sent: Thursday, February 02, 2006 4:07 AM
Subject: Re: [GENERAL] Primary keys for companies and people
[snip]
I'm very interested to hear what other use in their applications for
holding
On Thu, Feb 02, 2006 at 10:36:54AM +, David Goodenough wrote:
> > Still, I'm struggling with the basic concept of /identity/, eg. is the
> > William Smith born to John Smith and Jane Doe in 1733, the same William
> > Smith who marries Mary Jones in the same parish in 1758? You may never
> > rea
On Thursday 02 February 2006 09:07, Leif B. Kristensen wrote:
> On Thursday 02 February 2006 09:05, Michael Glaesemann wrote:
> >For people I'm more or less stumped. I can't think of a combination
> >of things that I know I'll be able to get from people that I'll want
> >to be able to add to the da
On Thursday 02 February 2006 09:05, Michael Glaesemann wrote:
>For people I'm more or less stumped. I can't think of a combination
>of things that I know I'll be able to get from people that I'll want
>to be able to add to the database. Starting off we'll have at least
>7,000 individuals in the da
Hello, all!
Recently there was quite a bit of discussion regarding surrogate keys
and natural keys. I'm not interested in discussing the pros and cons
of surrogate keys. What I'd like to find out are the different
methods people actually use to uniquely identify companies and people
*besi
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