Is concurrency important in database?

Why is concurrency important in databases?

Transactions executing at the same time need to produce meaningful and consistent results. Therefore, control of data concurrency and data consistency is vital in a multiuser database. Data concurrency means that many users can access data at the same time.

What does concurrency mean for database?

Data Concurrency Defined Data concurrency is the ability to allow multiple users to affect multiple transaction within a database. Simply, data concurrency allows multiple users to access data all at the same time.

Why is concurrency control important?

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 an advantage of concurrency?

It enable to run multiple applications at the same time. It enables that the resources that are unused by one application can be used for other applications. Without concurrency, each application has to be run to completion before the next one can be run. It enables the better performance by the operating system.