---
title: "What are Aggregate functions? Explain Aggregate functions in SQL SERVER 2008 with example"  
description: "What are Aggregate functions? Explain Aggregate functions in SQL SERVER 2008 with example"  
author: "Amit Singh"  
published: 2010-11-16  
updated: 2020-09-17  
canonical: https://www.mindstick.com/interview/233/what-are-aggregate-functions-explain-aggregate-functions-in-sql-server-2008-with-example  
category: "mssql server"  
tags: ["mssql server"]  
reading_time: 1 minute  

---

# What are Aggregate functions? Explain Aggregate functions in SQL SERVER 2008 with example

Aggregate functions are applied to a group of data values from a column. Aggregate functions always return a single value.\
for example-Max(),Count() etc;\

## Answers

### Answer by Amit Singh

Aggregate functions are applied to a group of data values from a column. Aggregate functions always return a single value.\
for example-Max(),Count() etc;\


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