Description: Concurrency Control is one of the essential aspects of modern multiuser database management systems. To help readers harness all the power it has to offer, this book presents the leading theories underlying the models and concurrency control mechanisms (CCMs) needed to execute transactions concurrently. Author Vijay Kumar compiles, in a single volume, numerous articles on CCMs and their performance. Coverage begins with semantics and theoretical aspects of concurrency control concept. A number of most commonly known CCMs is then described leading to a taxonomy, and framework of their performance study that also serves as an important link in the history of CCMs. A number of papers on real-time and semantics based concurrency control mechanisms is also included, representing the current research direction in real-time database systems. In addition, several papers highlight the common elements of centralized and distributed transaction processing environments with respect to concurrency.

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