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Why to never use sentinal values

Or, why null has a special meaning.

http://www.delawareonline.com/newsjournal/local/2004/07/22notagtagsbringf.html

mb
Saturday, July 24, 2004

it's funny ...
and sad from a sw perspective


Saturday, July 24, 2004

Same thing happened to a guy in California a few years ago.  Tried to be clever, and started getting tickets from around the state.

example
Saturday, July 24, 2004

I think I'm going to get a personalized license plate that just says "NULL".

Almost Anonymous
Saturday, July 24, 2004

This is hilarious.  It is an excellent example of why you hobbyist programmers drawing a salary ought to learn how to use null.

DBA's rule!

L. Ellison
Sunday, July 25, 2004

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