- two-phase locking
- dwufazowe blokowanie
English-Polish dictionary of Electronics and Computer Science. 2013.
two-phase locking
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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
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
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
Rigorous two-phase locking — In computer science, rigorous two phase locking (Rigorous 2PL) is a locking method used in concurrent systems.The two rules of Rigorous 2PL are:# If a transaction T wants to read/write an object, it must request a shared/exclusive lock on the… … Wikipedia
Conservative two-phase locking — In computer science, conservative two phase locking (C2PL) is a locking method used in DBMS and relational databases. Conservative 2PL prevents deadlocks. The difference between 2PL and C2PL is that C2PL s transactions obtain all the locks they… … Wikipedia
Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… … Wikipedia
Phase-locked Loop — Eine Phasenregelschleife, auch als Phase locked loop (PLL) bezeichnet, ist eine elektronische Schaltungsanordnung, die die Phasenlage und damit zusammenhängend die Frequenz eines veränderbaren Oszillators über einen geschlossenen Regelkreis so… … Deutsch Wikipedia
Phase-locked loop — Eine Phasenregelschleife, auch als englisch Phase locked loop (PLL) bezeichnet, ist eine elektronische Schaltungsanordnung, die die Phasenlage und damit zusammenhängend die Frequenz eines veränderbaren Oszillators über einen geschlossenen… … Deutsch Wikipedia
Multiple granularity locking — In computer science, multiple granularity locking (MGL), sometimes called the John Rayner locking method, is a locking method used in database management systems (DBMS) and relational databases. In MGL, locks are set on objects that contain other … Wikipedia
Mode-locking — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10−12 s) or femtoseconds (10−15 s). The basis of the technique is to induce a fixed phase… … Wikipedia
Tidal locking — A separate article treats the phenomenon of tidal resonance in oceanography. : See the article tidal acceleration for a more quantitative description of the Earth Moon system. Tidal locking occurs when the gravitational gradient makes one side of … Wikipedia
