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4.2.06. Alternatives

  • Concurrency control
    • Locks limit concurrency
      • Busy waiting
    • Timestamp ordering (TO)
    • Order transaction execution
      • for a particular equivalent serial schedule
      • of transactions ordered by timestamp value
        • Note: difference to lock serial equivalent
    • No locks, no deadlock
    ‹ 4.2.05. Guarantee costup4.2.07. Timestamps ›
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