When transaction Ti requests a data item currently held by Tj , Ti is allowed t

Question

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

Options:

A . Wait-die

B . Wait-wound

C . Wound-wait

D . Wait

Answer: Option A

Wait-dieThe wait“die scheme is a non-preemptive technique.

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