Dealing with attribute table
This video guides you on how to deal with attribute tables. How to delete, create new fields, transfer, and use a field calculator to calculate the area. This video also will guide you on how to join a table using the join field, manually add the cell, rename the field name, and convert from string into numeric. Furthermore, you will also guided on how to create a thematic map with symbology, using expression dialogue or field calculator to calculate the population density, and finally how to do "if-then" expression in QGIS.