I've recently been given a set of files to work on/analyze with QGIS, but they seem to be missing any .shp files. Basically, the data is organized into a bunch of folders labelled land, water, etc. and in each of the folders are a few .dbf files and then a bunch of files with no extensions. Here'...

I'm trying to create labels for features, based on the value (or missing value) of three different columns and combinations can be possible. I have three columns: Veg_dom, Veg_codom and Veg_onderg. When all three columns have a value for a feature, I want the label to be as follows: Veg_dom$value...