---
title: "What is the difference between SQL notification and SQL invalidation?"  
description: "What is the difference between SQL notification and SQL invalidation?"  
author: "Sumit Kesarwani"  
published: 2014-08-28  
updated: 2020-09-15  
canonical: https://www.mindstick.com/interview/2071/what-is-the-difference-between-sql-notification-and-sql-invalidation  
category: "asp.net"  
tags: ["asp.net"]  
reading_time: 1 minute  

---

# What is the difference between SQL notification and SQL invalidation?

The SQL cache notification generates notifications when the data of a database changes, on which your cache item depends. The SQL cache invalidation makes a cached item invalid when the data stored in a SQL server database changes.

## Answers

### Answer by Sumit Kesarwani

The SQL cache notification generates notifications when the data of a database changes, on which your cache item depends. The SQL cache invalidation makes a cached item invalid when the data stored in a SQL server database changes.


---

Original Source: https://www.mindstick.com/interview/2071/what-is-the-difference-between-sql-notification-and-sql-invalidation

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