Why is concurrency control important?

Question

Concurrency control is important to ensure data integrity when updates occur to the database in a multi-user environment. Concurrency control is used to apply isolation through mutual exclusion. It ensures serialization in the system. It preserves data consistency and resolves the conflict during read-write operations.

What is concurrency control Why is it important?

Concurrency Control in Database Management System is a procedure of managing simultaneous operations without conflicting with each other. It ensures that Database transactions are performed concurrently and accurately to produce correct results without violating data integrity of the respective Database.

What is an advantage of concurrency?

Advantages. Here are the main advantages of concurrency: It allows multiple applications to be executed or run simultaneously, thus increasing efficiency and the total output of workstations.

What is the purpose of concurrency controls in a database system?

In a database management system (DBMS), concurrency control manages simultaneous access to a database. It prevents two users from editing the same record at the same time and also serializes transactions for backup and recovery.

What happens when there is no concurrency control?

If concurrency control is not maintained, three serious problems may be caused by concurrent transaction execution: lost updates, uncommitted data, and inconsistent retrievals.

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