What are the differences among database locks? In database management, locks are mechanisms that prevent concurrent access to data to ensure data integrity and consistency. Here are the common types of locks used in databases: 1. Shared Lock (S Lock) It allows multiple transactions to read a resource simultaneously but not modify it. Other transactions can also acquire a shared lock on the same resource. 2. Exclusive Lock (X Lock) It allows a transaction to both read and modify a resource. No ot

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