Re: Getting my head around nulls.
| From: | Andrey Hristov | Date: | Tue, 25 Sep 2001 13:08:38 +0000 |
| Subject: | Re: Getting my head around nulls. | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-68697@lists.php.net to get a copy of this message | ||
SELECT * from some_table WHERE some_field IS NULL;
Andrey Hristov
IcyGEN Corporation
http://www.icygen.com
BALANCED SOLUTIONS
----- Original Message -----
From: <Ben.Edwards@chase.com>
To: <kjohnson@zootweb.com>
Cc: <php-general@lists.php.net>
Sent: Tuesday, September 25, 2001 4:09 PM
Subject: RE: [PHP] Getting my head around nulls.
> >I wish the rest of the world saw it that way! But not so...
>
> That's what capitalism does for you -;)
>
> >You may want to look at MySQL's IS_NULL function for retrieving data.
> Other
> >than that, I don't have any good advice. It seems that if you retrieve a
> >NULL from the database and try to assign it to a PHP variable, that
> variable
> >gets destroyed. AFAIK, yes, you need a bunch of data checks, both putting
> >data in and pulling it back out.
>
> Strange, I did a search on is_null in the MySQL manual (ver 3.23.40 .pdf)
> and got no nits on is_null. Could you provide example of its use.
>
> Neb
>
>
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