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Home -> Community -> Usenet -> comp.databases.theory -> Re: Negative Numbers in "Identity" or" Autonumber" fields
>> Any thought's on using negative numbers as surrogate primary keys? <<
Since surrogatres are never seen by the users by definition, they could be anything -- positive or negative, or additive congruence sequences or has code or etc. The question would be in implementation -- does the particular SQL engine favor a sequence or a randomly distributed value for performance min whatever access method it is using? Received on Mon Mar 19 2007 - 20:09:40 CDT
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