What are the different types of database locks?
An example of an AI chatbot conversation about types of database locks.
What are the different types of database locks?
There are mainly two types of database locks: shared locks and exclusive locks. Shared locks allow multiple transactions to read a resource, while exclusive locks prevent other transactions from accessing the resource.
Can you explain how shared locks work?
Sure! Shared locks enable multiple transactions to read a resource simultaneously. However, while a shared lock is in place, no transaction can modify the resource until the lock is released.
What about exclusive locks?
Exclusive locks are used when a transaction needs to write to a resource. When an exclusive lock is held, no other transaction can read or write to that resource until the lock is released.
Are there any other types of locks?
Yes, there are also row-level locks, table-level locks, and intent locks, each serving different purposes in managing concurrency.
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