How do locks work in database concurrency?
An example of an AI chatbot conversation about how locks manage database access in concurrent environments.
Can you explain how locks work in database concurrency?
Sure! Locks are mechanisms that prevent multiple transactions from accessing the same data simultaneously, ensuring data integrity.
What types of locks are commonly used in databases?
The most common types are shared locks, which allow read access, and exclusive locks, which allow write access only.
How do deadlocks occur, and how can they be resolved?
Deadlocks happen when two transactions hold locks that the other needs. They can be resolved by timeout or deadlock detection algorithms.
Are there any performance implications of using locks?
Yes, excessive locking can lead to reduced performance due to increased wait times for transactions. It's important to balance concurrency and locking.
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