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Re: brain teaser

From: <fitzjarrell_at_cox.net>
Date: Fri, 22 Jun 2007 14:45:38 -0700
Message-ID: <1182548738.931792.276120@m37g2000prh.googlegroups.com>


On Jun 22, 3:29 pm, jamesd <jam..._at_ring4freedom.com> wrote:
> Ok, I have a very challenging brain teaser for the sql gods.
>
> We have a very simple sql table that lists every city in the world,
> like this
>
> *cityname*, *lat*, *lon*
> baltimore, 111.333, -38.3333
> boston, 112.11111, -22.2222
> rio , 23.01007 ,33.7233963
> (etc, 3 million rows)
>
> I am tasked me with writing a sql statement that will find all cities
> that fall into 4 lat/lon coordinates Plygon (NOT a perfect square).
>
> For instance the coordinates are:
>
> lat1=23.01007 lon1=33.7233963
>
> lat2=23.0183048 lon2=33.816658
>
> lat3=21.9754562 lon3=33.8121071
>
> lat4=21.9797649 lon4=33.7281723
>
> Does anybody care to help here :) Any math math or geography people
> in here? :)

http://download-west.oracle.com/docs/cd/B19306_01/appdev.102/b14255/sdo_index_query.htm

David Fitzjarrell Received on Fri Jun 22 2007 - 16:45:38 CDT

Original text of this message

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