Consider the following schedule for transactions T1, T2 and T3: S1: r1(Y); r3(Y); r1(X); r2(X); w2(X);...

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Consider the following schedule for transactions T1, T2 and T3: S1: r1(Y); r3(Y); r1(X); r2(X); w2(X); r3(Z); w3(Z); w1(Y); r2(Z) Which one of the schedules below is the correct serialization of the above? O T1 --> T3 --> T2 None of the above T3 --> T1 --> T2 T2 --> T1 --> T3 T2 --> T3 --> T1 Consider the following schedule for transactions T1, T2 and T3: S1: r1(Y); r3(Y); r1(X); r2(X); w2(X); r3(Z); w3(Z); w1(Y); r2(Z) Which one of the schedules below is the correct serialization of the above? O T1 --> T3 --> T2 None of the above T3 --> T1 --> T2 T2 --> T1 --> T3 T2 --> T3 --> T1

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