Section: Data Providers
Answers to section modules.

Question: A virtual layer is
Answer: A layer that is dynamically generated from one or more other layers.


Question: 2. What do you think this virtual layer will do when based on our trees example
Answer: Creates a virtual layer where the geometry is based on the ratio of height to canopy


Question: A database is
Answer: A type of data store that is used to store geographic data and non geographic


Question: In which instance would you prefer a spatial database
Answer: Generally, whenever I get hold of a data source I should load it into a spatial database.


Question: Buffers calculated in the database are identical to the ones in QGIS
Answer: True