What is concurrency? When concurrency occurs?  What are problems in Concurrency?

By: Prof. Fazal Rehman Shamil
Last modified on May 27th, 2019

What is concurrency? When concurrency occurs?  What are the problems in Concurrency?

In this tutorial, we will learn about the followings;

  1. What is concurrency?
  2. When concurrency occurs?
  3. What are the problems in Concurrency?

What is concurrency?

When 2 or more than 2 users access the same data at the same time. Concurrency occurs.

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When concurrency occurs?

Concurrency occurs when there are multi-user and every user access the data at the same time.

What are the problems in Concurrency?

  • Un-committed dependency problem
  • Lost update problem
  • Inconsistent analysis problem

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Prof. Fazal Rehman Shamil
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