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• 12:48, 15 December 2024 Betripping talk contribs created page Primary Copy Two-Phase Locking (Created page with "'''Primary Copy Two-Phase Locking (2PL)''' is a concurrency control protocol used in distributed database systems where a primary copy of each data item is designated for lock management. Transactions must obtain locks from the primary copy of the data item to ensure consistency and serializability across the system. ==Key Concepts== *'''Primary Copy:''' A specific node in the distributed system is designated as the authoritative source for managing locks for a particula...") Tag: Visual edit