I am using JDBC to query a PostgreSQL database. And I want to populate a column called wiki_url based on the value of another column, level which will determine which value of 5 columns to concatenate ...
I'm not very skilled on using postgis but I face a problem that I must solve, i.e. create tables to load geographical data stored as dxf. I have a thousand dxf files (3d) with polylines, points and ...
I've got over a hundred data layers in shapefile format that I want to upload into a PostGIS database. They are all in the same projection, but represent different data layers so they do not have the ...