Re: Null in subquery returns no records
From: Jonathan Leffler <jleffler_at_earthlink.net>
Date: Sat, 07 Feb 2004 08:05:51 GMT
Message-ID: <z%0Vb.17554$uM2.2847_at_newsread1.news.pas.earthlink.net>
Date: Sat, 07 Feb 2004 08:05:51 GMT
Message-ID: <z%0Vb.17554$uM2.2847_at_newsread1.news.pas.earthlink.net>
Mike MacSween wrote:
> New testing rule for Mike - always test with null values.
Alternative rule - always ensure the database stores no nulls!
Not necessarily easy - but a good discipline.
-- Jonathan Leffler #include <disclaimer.h> Email: jleffler_at_earthlink.net, jleffler_at_us.ibm.com Guardian of DBD::Informix v2003.04 -- http://dbi.perl.org/Received on Sat Feb 07 2004 - 09:05:51 CET