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