Home Forums Article Discussions Article Discussions by Author Discuss content posted by Pradyothana Shastry NULL RE: NULL
honza.mf
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April 13, 2010 at 6:41 am
#1150660
And what about not mentioned option "empty value". For numerics it is clear, but for strings, it's dangerous to mix with empty string.
NULL is unassigned value - no value at all, UKNOWN is special logical value, and zero/'' are normal values.