 First normal form

First Normal Form (1NF) is a property of a relational database table that ensures the structure of the table adheres to certain criteria, which helps to eliminate redundancy and improve data integrity. A table is considered to be in First Normal Form if it satisfies the following conditions: 1. **Atomicity**: Each column in the table must contain atomic (indivisible) values. This means that each entry in a column must hold a single value, not a set of values or a list.