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A multi-granularity locking model for concurrency control in object-oriented database systems
IEEE Transactions on Knowledge and Data Engineering
A locking model adopting a multi-granularity approach is proposed for concurrency control in object-oriented database systems.The model is motivated by a desire to provide high concurrency and low locking overhead in accessing objects. Locking in schemas and locking in instances are developed separately and then are integrated. Schema changes and composite objects are also taken into account. A dual queue scheme for efficient scheduling of lock requests is developed. The model consists of adoi:10.1109/69.485643 fatcat:n4tv6gmtvrcxhd53onga34rlqq