In a database management system, what is the purpose of concurrency control?
- Creating backups of the database
- Defragmenting the database
- Managing simultaneous access to the database
- Optimizing query performance
Concurrency control in a database management system is the process of managing simultaneous access to the database by multiple transactions. It ensures that transactions can operate concurrently without causing data inconsistencies or conflicts. Techniques like locking and isolation levels are employed to maintain the integrity of data during concurrent access.
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