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