On Fri, Jun 10, 2005 at 08:55:58AM -0600, Stephen Smith wrote: > Only NULL tells the truth in the data...the datum is unknown. When > bogus data is used to populate required fields, it will inevitably > end up on a report that someone will misinterpret often to near > catestrophic results for business.
Point well taken. This is largely a question of application data set
semantics. For the record, I am a proponent of setting up your
relational model in such a way so that you can differentiate between
``undefined'' and ``blank'' without having to resort to the
abomination that is NULL.
Mike
.___________________________________________________________________.
Michael A. Halcrow
Security Software Engineer, IBM Linux Technology Center
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