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
Western Armenian verb table — The following is an Western Armenian verb table. The Eastern Armenian verb table can be found here:ConjugationsAffirmative/InterrogativeType I Indicative PresentImperfectPreteriteFuture1sg 2sg 3sg 1pl 2pl 3plyes tun an menk tuk anonk gë sirem gë… … 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
Eastern Armenian verb table — The following is an Eastern Armenian verb table. The Western Armenian verb table can be found here:ConjugationsAffirmative/InterrogativeType I/II(This conjugation is termed I/II to coincide with historic/Western numbering, where there are still… … 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
Item response theory — In psychometrics, item response theory (IRT) is a body of theory describing the application of mathematical models to data from questionnaires and tests as a basis for measuring abilities, attitudes, or other variables. It is used for statistical … Wikipedia
Bases de datos distribuidas — Saltar a navegación, búsqueda Una base de datos distribuida (BDD) es un conjunto de múltiples bases de datos lógicamente relacionadas las cuales se encuentran distribuidas entre diferentes sitios interconectados por una red de comunicaciones, los … Wikipedia Español
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
Sperrprotokoll — Sperrverfahren (Datenbanken) werden in Datenbanksystemen eingesetzt, um die Forderung der Isolation des ACID Prinzips bei Transaktionen zu erfüllen. Alle Sperrverfahren, auch Sperrprotokolle genannt, fallen in die Kategorie der pessimistischen… … Deutsch Wikipedia
Sperrverfahren — (Datenbanken) werden in Datenbanksystemen eingesetzt, um die Forderung der Isolation des ACID Prinzips bei Transaktionen zu erfüllen. Alle Sperrverfahren, auch Sperrprotokolle genannt, fallen in die Kategorie der pessimistischen… … Deutsch Wikipedia