Question

First Normal Form is based on the concept of

• A. Atomic attribute
• B. Partial dependency
• C. Functional dependency
• D. Attribute closure

Hint:

1NF = atomic columns, no multivalued or nested attributes allowed.

Answer 1

The Correct Option is A

A relation is in 1NF if all attributes contain only atomic (indivisible) values.
It eliminates repeating groups or arrays.