database locking mechanism

database locking mechanism
SAP.тех. механизм блокировки базы данных

Универсальный англо-русский словарь. . 2011.

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  • Two-phase locking — This article is about concurrency control. For commit consensus within a distributed transaction, see Two phase commit protocol. In databases and transaction processing two phase locking, (2PL) is a concurrency control method that guarantees… …   Wikipedia

  • Microsoft Jet Database Engine — This article is about JET Red used in Microsoft Access. For the JET Blue ISAM implementation, see Extensible Storage Engine. The Microsoft Jet Database Engine is a database engine on which several Microsoft products have been built. A database… …   Wikipedia

  • File locking — is a mechanism that enforces access to a computer file by only one user or process at any specific time. The purpose of locking is to prevent the classic interceding update scenario. The interceding update problem may be illustrated as in the… …   Wikipedia

  • Two phase locking — In databases and transaction processing, two phase locking, (2PL) is a concurrency control locking protocol, mechanism, that guarantees serializability. It is also the name of the resulting class (set) of transaction schedules. Using locks that… …   Wikipedia

  • Oracle Database — Developer(s) Oracle Corporation Development status Active Written in …   Wikipedia

  • Lock (computer science) — In computer science, a lock is a synchronization mechanism for enforcing limits on access to a resource in an environment where there are many threads of execution. Locks are one way of enforcing concurrency control policies. Contents 1 Types 2… …   Wikipedia

  • File system — For library and office filing systems, see Library classification. Further information: Filing cabinet A file system (or filesystem) is a means to organize data expected to be retained after a program terminates by providing procedures to store,… …   Wikipedia

  • Deadlock — This article is about the computer science concept. For other uses, see Deadlock (disambiguation). A deadlock is a situation where in two or more competing actions are each waiting for the other to finish, and thus neither ever does. It is often… …   Wikipedia

  • Transaction Processing Facility — Infobox OS name = z/TPF caption = developer = IBM source model = Closed source (Source code is available to licenced users with restrictions) kernel type = Real time supported platforms = ? ui = ? family = z/TPF released = latest release version …   Wikipedia

  • Knife — A knife is a handheld sharp edged instrument consisting of handle attached to a blade used for cutting. The knife is a tool that can be used as a weapon. Its origins date as far back as two and a half million years ago, as evidenced by the… …   Wikipedia

  • AR-10 — Infobox Weapon name=AR 10 caption=The AR 10. origin=flag|United States type=Battle rifle is ranged=yes service=1960–1976 (Portugal) 1958–1985 (Sudan) used by=See Users wars=Angola, Mozambique, Sudan, Dominican Republic, Portuguese Timor… …   Wikipedia


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