Optimistic concurrency relies on ___________ to detect conflicts.

  • Locks
  • Row versions
  • Timestamps
  • Triggers
Optimistic concurrency relies on comparing the original values of data with the current values at the time of update. This is typically achieved by comparing row versions or timestamps to detect if any changes have occurred since the data was initially read. Using row versions or timestamps helps in identifying conflicts without directly locking the data.
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