update lock

update lock
блокировка обновления

English-Russian SQL Server dictionary. 2013.

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  • Lock Haven, Pennsylvania — Infobox Settlement official name = Lock Haven, Pennsylvania other name = native name = nickname = settlement type = motto = imagesize = image caption = Clinton County Courthouse in Lock Haven flag size = image seal size = image shield = shield… …   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

  • Lock-free and wait-free algorithms — In contrast to algorithms that protect access to shared data with locks, lock free and wait free algorithms are specially designed to allow multiple threads to read and write shared data concurrently without corrupting it. Lock free refers to the …   Wikipedia

  • Lock (database) — A lock is used when multiple users need to access a database concurrently. This prevents data from being corrupted or invalidated when multiple users try to write to the database. Any single user can only modify those database records (that is,… …   Wikipedia

  • Distributed lock manager — A distributed lock manager (DLM) provides distributed software applications with a means to synchronize their accesses to shared resources. DLMs have been used as the foundation for several successful clustered file systems, in which the machines …   Wikipedia

  • Lost Update — Verlorenes Update (auch engl. Lost Update) bezeichnet in der Informatik einen Fehler, der bei mehreren parallelen Schreibzugriffen auf eine gemeinsam genutzte Information auftreten kann. Wenn zwei Transaktionen dieselbe Information verändern,… …   Deutsch Wikipedia

  • Verlorenes Update — (auch engl. Lost Update) bezeichnet in der Informatik einen Fehler, der bei mehreren parallelen Schreibzugriffen auf eine gemeinsam genutzte Information auftreten kann. Wenn zwei Transaktionen dieselbe Information verändern, dann können die… …   Deutsch Wikipedia

  • Read-copy-update — (RCU) is an operating system kernel technology for improving performance on computers with more than one CPU.More technically it is a synchronization mechanism which can sometimes be used as an alternative to a readers writer lock. It allows… …   Wikipedia

  • Vendor lock-in — Marketing Key concepts Product marketing · Pricing …   Wikipedia

  • Readers–writer lock — In computer science, a readers writer or shared exclusive lock (also known as the multiple readers / single writer lock[1] or the multi reader lock,[2] or by typographical variants such as readers/writers lock) is a synchronization primitive that …   Wikipedia

  • Caversham Lock — Caversham Lock[1] Caversham lock looking downstream …   Wikipedia


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