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Home -> Community -> Usenet -> c.d.o.server -> Re: Theoretical definition for the number of unique values?
David Kerber wrote:
>> True. There's no point in having duplicate rows, cause you can't tell >> which one you're handling :-)
Assuming the database is being used as more than an electronic form of Excel or 3x5 cards ... no. Primary key constraints were invented for a reason. Like seat belts they are most useful when used.
-- Daniel A. Morgan University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Fri Apr 13 2007 - 10:47:30 CDT
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