Database System Concepts
Database System Concepts
7th Edition
ISBN: 9789332901384
Author: Henry F. Korth & S. Sudarshan Abraham Silberschatz
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 18, Problem 17E
Program Plan Intro

Strict Two-Phase Locking:

Similar to plain Two-Phase Locking, the locks are acquired and released in two phases in Strict Two-Phase locking protocol.

  • After acquiring the locks in the first phase, the execution of the transaction takes place normally.
  • However, unlike Two-Phase Locking, Strict Two-Phase locking protocol does not release the lock after the execution.
  • Strict Two-Phase locking keep holds of the lock until the commit point and at the same time, it releases all the locks.

Explanation of Solution

Disadvantages of Strict Two-Phase Locking:

The only disadvantage with Strict Two-Phase Locking protocol is that it reduces con...

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