---
title: "What is index cardinality?"  
description: "What is index cardinality?"  
author: "Anonymous User"  
published: 2011-03-28  
updated: 2020-09-24  
canonical: https://www.mindstick.com/interview/630/what-is-index-cardinality  
category: "db2"  
tags: ["db2"]  
reading_time: 1 minute  

---

# What is index cardinality?

The number of distinct values a column or columns contain.

## Answers

### Answer by Anonymous User

The number of distinct values a column or columns contain.


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Original Source: https://www.mindstick.com/interview/630/what-is-index-cardinality

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