Explain the concept of two-phase commit (2PC) in the context of distributed transactions. How does it ensure transactional consistency?
Explain the concept of two-phase commit (2PC) in the context of distributed transactions. How does it ensure transactional consistency?
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter12: Distributed Database Management Systems
Section: Chapter Questions
Problem 11RQ
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Explain the concept of two-phase commit (2PC) in the context of distributed transactions. How does it ensure transactional consistency?
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Step 1: Two-Phase Commit (2PC)
VIEWStep 2: Initialization (Phase 1 - Prepare)
VIEWStep 3: Decision (Phase 2 - Commit or Abort)
VIEWStep 4: Finalization
VIEWStep 5: The Two-Phase Commit protocol ensures transactional consistency by providing the following guarantee
VIEWStep 6: Two-Phase Commit has some limitations and potential issues
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