Re: truth table missing values

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От scott.marlowe
Тема Re: truth table missing values
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Msg-id Pine.LNX.4.33.0308041004300.10401-100000@css120.ihs.com
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Ответ на truth table missing values  (Dennis Björklund <db@zigo.dhs.org>)
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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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