concurrency control

   Rules that regulate data access to multiple users on a data base servers.

IT glossary of terms, acronyms and abbreviations. . 2015.

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  • Concurrency control — In information technology and computer science, especially in the fields of computer programming (see also concurrent programming, parallel programming), operating systems (see also parallel computing), multiprocessors, and databases, concurrency …   Wikipedia

  • Global concurrency control — typically pertains to the concurrency control of a system comprising several components, each with its own concurrency control. The overall concurrency control of the whole system, the Global concurrency control, is determined by the concurrency… …   Wikipedia

  • Multiversion concurrency control — (abbreviated MCC or MVCC), in the database field of computer science, is a concurrency control method commonly used by database management systems to provide concurrent access to the database and in programming languages to implement… …   Wikipedia

  • Distributed concurrency control — is the concurrency control of a system distributed over a computer network (Bernstein et al. 1987, Weikum and Vossen 2001). In database systems and transaction processing (transaction management) distributed concurrency control refers primarily… …   Wikipedia

  • Optimistic concurrency control — In the field of relational database management systems, optimistic concurrency control (OCC) is a concurrency control method that assumes that multiple transactions can complete without affecting each other, and that therefore transactions can… …   Wikipedia

  • Non-lock concurrency control — In Computer Science, in the field of databases, non lock concurrency control is a concurrency control method used in relational databases without using locking. There are several non lock concurrency control methods, which involve the use of… …   Wikipedia

  • Multiversion Concurrency Control — (MCC, MVCC, multi generational concurrency control) ist ein Verfahren aus der Datenbanktechnik, das dazu dient, konkurrierende Zugriffe auf eine Datenbank möglichst effizient auszuführen, ohne zu blockieren oder die Konsistenz der Datenbank zu… …   Deutsch Wikipedia

  • Timestamp-based concurrency control — In computer science, in the field of databases, timestamp based concurrency control is a non lock concurrency control method, used in relational databases to safely handle transactions, using timestamps.OperationAssumptions* Every timestamp value …   Wikipedia

  • Concurrency (computer science) — The Dining Philosophers , a classic problem involving concurrency and shared resources In computer science, concurrency is a property of systems in which several computations are executing simultaneously, and potentially interacting with each… …   Wikipedia

  • Optimistic Concurrency — (auch: Optimistisches Locking genannt) ist ein Verfahren, um beispielsweise in Warenwirtschaftssystemen den parallelen Zugriff von mehreren Benutzern auf denselben Datensatz konfliktarm und ohne Inkonsistenzen zu regeln. Bei der Optimistic… …   Deutsch Wikipedia

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