Normalization is the processes needed when someone has started a “database” in a spreadsheet i.e. a single table with many fields and now a proper database is needed. A “proper” database has more than one table. Each table stores related data. Then it is called a relational database because relationships have to be created between the different tables.
Watch the YouTube video called “Normalization – 1NF, 2NF, 3NF”. This can be found in the channel called “Channel5567”. Click on the link below for notes that go with the video.