How do I use locks in SQL?
An example of an AI chatbot conversation about using locks in SQL for data integrity.
How do I use locks in SQL?
In SQL, locks are used to control access to data in a database. You can use different types of locks like shared, exclusive, and update locks.
What are the differences between shared and exclusive locks?
A shared lock allows multiple transactions to read a resource but not modify it, while an exclusive lock prevents any other transaction from accessing the resource until it's released.
How can I implement locking in my SQL queries?
You can implement locking using commands like SELECT ... FOR UPDATE for exclusive locks or LOCK TABLE for table-level locks.
Are there any potential issues with using locks?
Yes, improper use of locks can lead to deadlocks, where two transactions are waiting on each other to release locks, causing a standstill.
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