What is optimistic locking in SQL?
An example of an AI chatbot conversation about optimistic locking in SQL.
What is optimistic locking in SQL?
Optimistic locking is a concurrency control method used in SQL databases to prevent conflicts when multiple transactions are trying to update the same data.
How does optimistic locking differ from pessimistic locking?
Unlike pessimistic locking, which locks the data for the duration of a transaction, optimistic locking allows multiple transactions to proceed without locking, checking for conflicts only at the time of commit.
Can you give me an example of how to implement optimistic locking?
Sure! You can implement optimistic locking by adding a version number or timestamp column to your table. When updating a record, you check if the version matches before applying the update.
What happens if there is a conflict during the update?
If a conflict occurs, the transaction will fail, and you can handle it by notifying the user or retrying the operation.
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