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When transaction Ti requests a data item currently held by Tj, Ti is allowed to wait only if it has a timestamp smaller than that of Tj (that is, Ti is older than Tj). Otherwise, Ti is rolled back (dies). This is

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When transaction Ti requests a data item currently held by Tj, Ti is allowed to wait only if it has a timestamp smaller than that of Tj (that is, Ti is older than Tj). Otherwise, Ti is rolled back (dies). This is

(a) Wait-die

(b) Wait-wound

(c) Wound-wait

(d) Wait

This question was addressed to me in an interview for job.

This question is from Deadlocks topic in section Concurrency Control of Database Management

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Best answer
Correct answer is (a) Wait-die

Best explanation: The wait–die scheme is a non-preemptive technique.

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