Why is concurrency important in databases?

What is concurrency in database?

Coexistent Query Workload We use the term “concurrency” to measure how many units of work are co-executing actively at the same time—how many things are in progress at once. If you look at the database and see three queries running actively, the query concurrency is 3.

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?

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.