How do locks work in database systems?
An example of an AI chatbot conversation about how locks manage data access in databases.
Can you explain how locks work in database systems?
Sure! Locks in database systems are mechanisms that prevent multiple transactions from accessing the same data simultaneously.
What types of locks are commonly used?
The most common types of locks are shared locks, which allow multiple transactions to read data, and exclusive locks, which prevent others from accessing the data.
How do locks help in maintaining data integrity?
Locks help maintain data integrity by ensuring that transactions are executed in a controlled manner, preventing issues like dirty reads and lost updates.
What happens if a transaction holds a lock for too long?
If a transaction holds a lock for too long, it can lead to performance issues like deadlocks or blocking other transactions, which can degrade system performance.
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