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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: GISList: Microsoft SQL Server Vs Oracle Spatial9i |
| Date: |
12/10/2002 08:53:29 PM |
| From: |
Paul Ramsey |
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Dimitri Rotow wrote:
> Sure. The fundamental architectural mistake is to embed the "spatial"
> functionality within the DBMS.
Bollocks. Once a seamless spatial dataset exceeds a certain size, your
database needs at least a minimal spatial understanding to do real
spatial indexing, or you will spend alot of time twiddling fingers
waiting for your data to arrive at the amazing geoprocessing engine
idling on your desktop. Does everyone have data this size? No. Do even
most people have data this size? No. But don't claim the application
requirement does not exist at all.
> A more modern approach is to distribute the geospatial computing within
> spatially aware clients and to use the DBMS as, basically, a file cabinet.
> In this scenario if you have 100 users doing geoprocessing you have the
> power of 100 machines available.
It's not a more modern approach, it is the same old approach, basically
a glorified filesystem. :)
I read the rest of your arguments and found them quite compelling. There
is a large user segment who would do well to stuff their ears to the
arguments of the large vendors and actually examine their business needs
before committing to certain technology architectures. But there is also
a small user segment (of very large organizations) for whom a
centralized system with open access standards makes more sense. I don't
think Manifold is trying to be all things to all people, just most
things to most people, right? :)
--
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| Paul Ramsey
| Refractions Research
| Email: pramsey@refractions.net
| Phone: (250) 885-0632
_
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