> Can't the intelligent practitioner simply proceed carefully with
> queries when nulls are involved?
Yes. The thing is, getting rid of NULL in the real world requires
decomposing data into so many tables that it would certainly cause more
confusion when it comes time to actually query the data...
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Scott Ribe
scott_ribe(at)killerbytes(dot)com
http://www.killerbytes.com/
(303) 722-0567 voice