Can you explain the importance of normalization, especially when comparing two signals? Solution Normalization is the process of successively reducing relations with anomalies to produce smaller and well structured relations. First normal form (1NF) is a relation that has a primary key and in which there are no repeating groups. Second normal form (2NF) a relation in first normal form in which every non key attribute is fully functionally dependent on the primary key. Third normal form (3NF)a relation that is in second normal form and has no transitive dependencies..