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No that is absolutely the way you want to do it assuming property id's are actually meaninfull for this purpose. Yu are implementing a system that says property id values represent proximity, i.e. house 1 must be very close to house 2 and far from house 1000. If this is not true then you got a problem.
-Ethan
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Received on Thu Jul 13 2000 - 00:00:00 CDT