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

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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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