Article View: borland.public.interbase.sql
Article #252Re: test with null content
From: Bill Todd [TeamB]
Date: Fri, 20 Jun 2008 17:24
Date: Fri, 20 Jun 2008 17:24
17 lines
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1337 bytes
Adalberto Baldini wrote: > .. and not (flart = '1') .. > > right test should be > > and (((flart is not null) and (not flart = '1')) or > (flart is null)) > > Adalberto That is correct. Null is a state meaning that there is no value. Null is not equal to anything. Any test for equality that includes null will be false. -- Bill Todd (TeamB)
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From: "Bill Todd [TeamB]" <no@no.com>
Subject: Re: test with null content
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