Optimistic locking is a mechanism that assumes multiple transactions can complete without interference, rolling back if a record is modified by another transaction.
It involves versioning with a version number or timestamp in each row, validation before updates, and incrementing the version if no changes were made.
Optimistic locking is beneficial for low contention scenarios, high-performance systems, and scalability, as it avoids the overhead of resource locking.
By allowing multiple transactions to work simultaneously, optimistic locking significantly enhances system throughput and supports better concurrency in database operations.
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