Database Concepts (8th Edition)
Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Chapter 6, Problem 6.16RQ
Program Plan Intro

Two-phase locking:

The process in which the locks are acquired during the growing phase and released in a shrinking phase is called two-phase locking.

  • Serializability is the process of processing concurrent transaction which can be achieved through one of the number of different means.
  • One way of achieving serializability is two-phase locking.
  • Using this strategy, locks can be applied on transactions. When one of the locks is released first, no other locks can be applied on that particular transaction.
  • It prevents deadlock which occurs in distributed system.

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