Re: truth table missing values

From: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
To: Dennis Björklund <db(at)zigo(dot)dhs(dot)org>
Cc: <pgsql-docs(at)postgresql(dot)org>
Subject: Re: truth table missing values
Date: 2003-08-04 16:05:40
Message-ID: Pine.LNX.4.33.0308041004300.10401-100000@css120.ihs.com
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On Mon, 4 Aug 2003, Dennis Björklund wrote:

> The reason stated in
> http://www.mysql.com/documentation/mysql/bychapter/manual_Introduction.html#Differences_from_ANSI
>
> is
>
> "NULL AND FALSE will evaluate to NULL and not to FALSE. This is because we
> don't think it's good to have to evaluate a lot of extra conditions in
> this case."

<sarcasm>
wow, with a development philosophy like that it's amazing mysql isn't
running in banks everywhere.
</sarcasm>

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