Computer Science · Database Management Systems
Consider the following statements regarding concurrency control protocols in DBMS: Statement I: Conservative 2-Phase Locking (2PL) is a deadlock-free protocol. Statement II: Thomas's Write Rule enforces conflict serializability. Statement III: Timestamp Ordering protocol ensures serializability based on the order of transaction timestamps. Which of the following options is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement I and Statement II are true, and Statement III is false
- 2Statement I and Statement III are true, and Statement II is false✓
- 3Statement I and Statement II are false, and Statement III is true
- 4Statement I, Statement II, and Statement III are all true
Correct answer
Statement I and Statement III are true, and Statement II is false
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