The goal of a relational database normalization is to achieve and improve data integrity and avoid data redundancy so to avoid possible insertion, updation or deletion anomalies. A relational database is normalized by applying a series of rules called normal forms. In this article we will discuss the first three normal forms.
This is a companion discussion topic for the original entry at https://linuxconfig.org/introduction-to-database-normalization-the-first-three-normal-forms