I have two tables in Postgis 2.1 database: Polygon features with a reach attributive information; Regular point grid; I would like to get a SQL query returning the regular point grid with ...
I have a Shape-File with lines of streets. Now I want qgis only to show the categories: Type: primary and Type: secondary and Type: motorway. How do I do this? This doesn't work: "type" = 'primary' ...