testing for null value in integer field?

From: Geoffrey <esoteric(at)3times25(dot)net>
To: pgsql-sql(at)postgresql(dot)org
Subject: testing for null value in integer field?
Date: 2003-12-19 16:07:13
Message-ID: 3FE32231.5030207@3times25.net
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How does one check for an unset value in an integer field?

I've tried such things as:

select ..... where intnumber = ''
select ...... where intnumber = ?
select ..... where intnumber = NULL

Thanks.

--
Until later, Geoffrey esoteric(at)3times25(dot)net

Building secure systems inspite of Microsoft

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