Course Overview

Interrogating GIS Data: Selections and SQL Queries is a short course by Geograf.io Learn that provides an overview of performing manual, spatial, and attribute queries and selections using the free and open source QGIS desktop GIS software platform. Participants will use Specifically, participants will learn to (1) manually select features using interactive selection tools, (2) save selected features as separate vector data files, (3) use structured query language (SQL) expressions to select features on the basis of attribute values, and (3) select features on the basis of spatial relationships with features in other layers.