What are the differences between pessimistic and optimistic locking?
An example of an AI chatbot conversation about pessimistic vs optimistic locking in database management.
What are the differences between pessimistic and optimistic locking?
Pessimistic locking assumes conflicts will happen and locks resources, while optimistic locking assumes conflicts are rare and checks for conflicts before committing.
Can you give me an example of when to use each type?
Sure! Use pessimistic locking in high-contention environments, like banking systems. Use optimistic locking in low-contention scenarios, like web applications.
What are the pros and cons of each approach?
Pessimistic locking can prevent conflicts but may lead to deadlocks. Optimistic locking allows for better performance but risks conflicts at commit time.
How do I implement optimistic locking in my application?
You can implement optimistic locking by adding a version number or timestamp to your records and checking it before updates.
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