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Re: why the need for is null? - Mailing list pgsql-general

From Mark Kirkwood
Subject Re: why the need for is null?
Date
Msg-id 3FF4C585.9020504@paradise.net.nz
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In response to Re: why the need for is null?  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:

>Not sure that it's fair to characterize this as a property of the
>relational model.  It is a property of the SQL standard.
>
Yes indeed - I fell into the classic "Relational model and SQL are not
the same thing" trap !

Mark

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