Concurrency control is the process of managing the simultaneous execution of multiple transactions in a database management system (DBMS) in a way that ensures the consistency, integrity, and isolation of the database
- It is designed to handle situations where multiple transactions try to access and modify the database at the same time, ensuring that the database remains in a valid state without any data corruption, anomalies, or conflicts between transactions.
Need for Concurrency Control:
Purpose of Concurrency Control:
- Maintain Database Consistency
- To resolve read-write and write-write conflict issues.
- Ensure Transaction Isolation
- It helps to ensure serializability.
- Handle Deadlocks