Select features using an expression in QGIS
Sometimes we just select features in QGIS quickly using the pointer and clicking on them. But when we have tens or hundreds to select and there is a risk of making a mistake this approach is no good. So that's an example of when we might want to use an expression to select features, as shown in this video.
See my intro and intermediate QGIS courses for more: https://www.udemy.com/user/alasdair-r...