When transaction Ti requests a data item currently held by Tj, Ti is – McqOptions

MCQOPTIONS

1.	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
Answer» B. wait-wound

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