Let us assume that transaction T1 has arrived before transaction T2. Consider the schedule
S=r1(A); r2(B) ; w2(A); w1(B)
Which of the following is true?
(A) Allowed under basic timestamp protocol.
(B) Not allowed under basic timestamp protocols because T1 is rolled back
(C) Not allowed under basic timestamp protocols because T2 is rolled back
(D) None of these
Quiz of this Question
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