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When a transaction is rolled back under timestamp ordering, it is assigned a new timestamp, Why can it not simply keep its old timestamp?
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
database management systems
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k
  • A schedule in which the transactions participate is serializable, and the equivalent serial schedule has the transactions in order of their timestamp values. This is called timestamp ordering (TO).
  • Notice how this differs from 2PL, where a schedule is serializable by being equivalent to some serial schedule allowed by the …

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