shared-mode lock

shared-mode lock
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English-Russian SQL Server dictionary. 2013.

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  • 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

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  • 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

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  • Strict two-phase locking — In computer science, strict two phase locking (Strict 2PL) is a locking method used in concurrent systems.The two rules of Strict 2PL are:# If a transaction T wants to read/write an object, it must request a shared/exclusive lock on the object. # …   Wikipedia

  • Server Message Block — In computer networking, Server Message Block (SMB), also known as Common Internet File System (CIFS, /ˈsɪfs …   Wikipedia

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  • 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


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