What is meant by concurrency control in DB2?
- Ensuring high availability of the DB2 server
- Implementing security measures to control access to DB2 resources
- Managing simultaneous access to data by multiple transactions
- Optimizing SQL queries for performance
Concurrency control in DB2 refers to the management of simultaneous access to data by multiple transactions. It ensures that transactions execute without interfering with each other, maintaining data integrity and consistency. This involves techniques such as locking, timestamping, and multiversion concurrency control to coordinate the execution of transactions and prevent conflicts that could lead to data anomalies.
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