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

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

How to view the record in PHP and MYSQL database

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Prof. Fazal Rehman Shamil
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