Normalization is the process of organizing data to minimize data redundant(অনাবশ্যক(data duplication)) in a database.

Problem of Redundant

1. Disk Space Wastage  

2. Data Inconsistency  

3. DML Query Can Become Slow

Database normalization Process:

 Database normalization is a step by step process. There are 6 normal forms, First Normal form (1NF) thru Sixth Normal Form (6NF). Most databases are in third normal form (3NF).