TERMIUM Plus®

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TWO-PHASE LOCKING ALGORITHM [1 record]

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Record 1 2022-10-13

English

Subject field(s)
  • Information Processing (Informatics)
  • Computer Mathematics
CONT

There are many variations of two-phase locking algorithm. Some avoid deadlock by not letting the cycle to complete. That is as soon as the algorithm discovers that blocking a transaction is likely to create a cycle, it rolls back the transaction. Wound-wait and wait-die algorithms use timestamps to avoid deadlocks by rolling-back victim.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Mathématiques informatiques
CONT

L'algorithme de verrouillage à deux phases force les transactions à s'exécuter de manière équivalente à une exécution séquentielle, suivant l'ordre de sérialisation déterminé dynamiquement, en bloquant des transactions en cours d'exécution.

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Matemáticas para computación
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