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How many concurrent schedules are conflict serializable of given transactions T1 and T2:

T1 = r1(A) W1(A)R1(B)W1(B)

T2 = R2(B)W2(B)R2(A)W2(A)

1 Answer

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no any concurrent serializable schedule  possible  only two serial schedules are possible T1->T2 and T2->T1

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