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 prevents conflicts by locking resources, while optimistic locking allows conflicts but checks before committing.
Can you give me an example of when to use each type?
Use pessimistic locking in high-contention scenarios, like banking transactions. Use optimistic locking in low-contention scenarios, like reading data.
What are the advantages and disadvantages of each?
Pessimistic locking can reduce conflicts but may lead to deadlocks. Optimistic locking improves performance but risks conflicts.
How do these locking mechanisms affect performance?
Pessimistic locking can slow down performance due to waiting for locks, while optimistic locking can enhance performance by reducing wait times.
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