Reply to Re: Theoretical definition for the number of unique values?

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Posted by DA Morgan on 04/13/07 15:47

David Kerber wrote:

>> True. There's no point in having duplicate rows, cause you can't tell
>> which one you're handling :-)
>
> True, but are you telling me you've never had it happen accidentally??

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@x.washington.edu
(replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org

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