Computer Science

Normalization 1NF

Define First Normal Form.

1NF: Atomic values, no repeating groups

Formula Explanation

Every column must contain atomic (indivisible) values.

Variables Explained

No multi-valued attributes.

Solved Example

Is a column containing “Red, Blue” in 1NF?
No, it violates atomicity.

Exam Tip

Start normalization from 1NF.