---
title: "What are Data files?"  
description: "What are Data files?"  
author: "Sumit Kesarwani"  
published: 2013-12-23  
updated: 2020-09-16  
canonical: https://www.mindstick.com/interview/1853/what-are-data-files  
category: "c#"  
tags: ["c#"]  
reading_time: 1 minute  

---

# What are Data files?

This is the physical storage for all of the data on disk. Pages are read into the buffer cache when users request data for viewing or modification. After data has been modified in memory (the buffer cache), it is written back to the data file during the checkpoint process.

## Answers

### Answer by Sumit Kesarwani

This is the physical storage for all of the data on disk. Pages are read into the buffer cache when users request data for viewing or modification. After data has been modified in memory (the buffer cache), it is written back to the data file during the checkpoint process.


---

Original Source: https://www.mindstick.com/interview/1853/what-are-data-files

Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.