5 Rules Of Data Normalization, db-book. The process is performed using Database normalization is a method in relational database design which helps properly organize data tables. Learn how to structure data efficiently for optimal performance. Here are the basics of efficiently organizing data. Chapter 40: Normalization Normalization is the process of structuring and refining the data we want to store in such a way that we eliminate repeated information and represent as much connection Listen Share What is Normalization? Normalization is the process of organizing the data in the database. New to this edition are SQL info, additional examples, key terms and review exercises at the end of each chapter. As we normalize, we use rules known as "normal forms". It deals with ensuring that each table follows three basic rules: All columns must contain values of the same data type. Normalization usually involves dividing large tables into Database normalization removes redundancy and ensures that data is logically stored. It involves breaking down large 6) Boyce- Codd Normal Form.