What are deadlocks in pessimistic locking?
An example of an AI chatbot conversation about deadlocks in pessimistic locking.
What are deadlocks in pessimistic locking?
Deadlocks in pessimistic locking occur when two or more transactions are waiting for each other to release locks, causing a standstill.
Can you give me an example of a deadlock situation?
Sure! Imagine Transaction A locks Resource 1 and waits for Resource 2, while Transaction B locks Resource 2 and waits for Resource 1. This creates a deadlock.
How can deadlocks be prevented in a database?
Deadlocks can be prevented by using techniques like lock timeouts, deadlock detection algorithms, or by ensuring a consistent locking order.
What happens if a deadlock is detected?
If a deadlock is detected, the database management system typically chooses one of the transactions to roll back, allowing the other to proceed.
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