Hello all, I have a newbie question for you guys.here goes :
I have a large dataset (a geonames world data-dump) that I've imported into Postgis. I want to know how to do a Spatial Join with this dataset so that I can split the millions of points up into chunks by continent. For example : A user connects to the database in QGIS and wants to select all of the cities (I'm going to trim the data down a little more using a query later on) and they want to bring in only the points that fall in Europe or Africa. In a nutshell I want a user to select all the points by continent instead of loading the whole dataset. I'm sure there's an easy way to do this , and I'm probably going to slap myself for not thinking of this earlier. I'm relatively new to OSGIS and I'm getting the hang of it. I've been an ESRI guy for a while. Thanks in advance for the feedback. Cheers!!!
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