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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 5.7 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k modified 2.5 years ago by gravatar for binitamayekar binitamayekar ★ 6.4k
advanced database management systems
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written 5.7 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k

• 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 …

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