---
title: "What is a \"functional dependency\"? How does it relate to database table design?"  
description: "What is a \"functional dependency\"? How does it relate to database table design?"  
author: "Pushpendra Singh"  
published: 2010-10-25  
updated: 2020-09-18  
canonical: https://www.mindstick.com/interview/92/what-is-a-functional-dependency-how-does-it-relate-to-database-table-design  
category: "mssql server"  
tags: ["mssql server"]  
reading_time: 1 minute  

---

# What is a "functional dependency"? How does it relate to database table design?

In database table design we are providing Primary key and Foreign keys.And according to primary and Foreign keys tables are functionaly dependent on each other.

## Answers

### Answer by Rajesh Goswami

In database table design we are providing Primary key and Foreign keys.And according to primary and Foreign keys tables are functionaly dependent on each other.


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Original Source: https://www.mindstick.com/interview/92/what-is-a-functional-dependency-how-does-it-relate-to-database-table-design

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