[Qgis-user] Looking for Intro PostGIS SQL Tutorial

[David Fawcett]

I highly recommend Regina and Leo's book http://www.manning.com/obe/

David.



On Oct 6, 2011, at 9:41 AM, "Dennis M. Linton" <dennis at dmlinton.net> wrote:

> Can anyone recommend/suggest any introductory tutorials on using polygon points or bounding boxes in QGIS SQL queries.  I have done a lot Googling and have found a few but the instructions are quite cryptic and in trying a few examples I do not seem to be able to obtain any results.  My queries do not throw errors but neither do they return anything.
> 
> Thanks in advance.
> -- 
> Dennis M. Linton, P.Eng.
> 
> 
> 
> 
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