Re: behavior of ' = NULL' vs. MySQL vs. Standards

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От Tom Lane
Тема Re: behavior of ' = NULL' vs. MySQL vs. Standards
Дата
Msg-id 9627.992011985@sss.pgh.pa.us
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Ответ на Re: behavior of ' = NULL' vs. MySQL vs. Standards  ("Josh Berkus" <josh@agliodbs.com>)
Ответы Re: behavior of ' = NULL' vs. MySQL vs. Standards  ("Josh Berkus" <josh@agliodbs.com>)
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"Josh Berkus" <josh@agliodbs.com> writes:
>> Microsoft Access is the guilty party, IIRC.

> Which verison?  I work with MSAccess 97 a lot, and the supported syntax
> is "IS NULL".

In our last go-round on this (pghackers around 14 Jan 2001),
Mike Mascari wrote:

: I don't have Office 2000, but I can confirm Access 97 generates such 
: queries. The query-builder doesn't generate the 'key = NULL' query, but the
: use of the Forms interface does.
        regards, tom lane


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