Re: Chaining with a very large file

Doesn't a mapping company (mapquest, google map, yahoo map, etc.) or the
USPS or something have that data already in a web service? To me, that would
make more logical sense than storing all of the data yourself.

On 2/1/06, Walden H. Leverich <WaldenL@xxxxxxxxxxxxxxx> wrote:
>
> >We will have two zipcodes and the road mileage distance between those
> two postal centers.
>
> I assume by "road mileage" you mean actual mileage if driven, and you're
> not missing the obvious option of computing the distance between the
> zips based on lat/long.
>
> Also, I doubt you know all the mileages between each zip (hence dist
> isn't required), but do you even know a high percentage? Why not only
> store records where you know the distance? Might make the file much
> smaller.
>
> -Walden
>
> ------------
> Walden H Leverich III
> Tech Software
> (516) 627-3800 x3051
> WaldenL@xxxxxxxxxxxxxxx
> http://www.TechSoftInc.com
>
> Quiquid latine dictum sit altum viditur.
> (Whatever is said in Latin seems profound.)
>
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--
Mike Wills
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http://mikewills.name
http://theriverbendpodcast.com

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