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Consider the three transactions T1, T2, and T3, and the schedules S1 and S2 given below. Transaction T1: r1(x); r1(z); w1(x) Transaction T2: r2(z); r2(y); w2(z); w2(y) Transaction T3: r3(x); r3(y); w3(y) Schedule S1: r1(x); r2(z); r1(x); r3(x); r3(y); w1(x); w3(y); r2(y); w2(z); w2(y) Schedule S2: r1(x); r2(2); r3(x); r1(2); r2(v); r3(y); w1(x); w2(z); w3(y); w2(y)

Consider the three transactions T1, T2, and T3, and the schedules S1 and S2 given below. Transaction T1: r1(x); r1(z); w1(x) Transaction T2: r2(z); r2(y); w2(z); w2(y) Transaction T3: r3(x); r3(y); w3(y) Schedule S1: r1(x); r2(z); r1(x); r3(x); r3(y); w1(x); w3(y); r2(y); w2(z); w2(y) Schedule S2: r1(x); r2(2); r3(x); r1(2); r2(v); r3(y); w1(x); w2(z); w3(y); w2(y)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the three transactions T1, T2, and T3, and the schedules S1 and S2 given below. Transaction T1: r1(x); r1(z); w1(x) Transaction T2: r2(z); r2(y); w2(z); w2(y) Transaction T3: r3(x); r3(y); w3(y) Schedule S1: r1(x); r2(z); r1(x); r3(x); r3(v); w1(x); w3(y); r2(y); w2(z); w2(y) Schedule S2: r1 (x); r2(2); r3(x); r1(2); r2(y); r3(y); w1(x); w2(z); w3(y); w2(y) Draw the serializability (precedence) for S1 and S2 and state whether each schedule is conflict serializable. Write down the equivalent serial schedule(s) if a schedule is serializable.
Transcribed Image Text:Consider the three transactions T1, T2, and T3, and the schedules S1 and S2 given below. Transaction T1: r1(x); r1(z); w1(x) Transaction T2: r2(z); r2(y); w2(z); w2(y) Transaction T3: r3(x); r3(y); w3(y) Schedule S1: r1(x); r2(z); r1(x); r3(x); r3(v); w1(x); w3(y); r2(y); w2(z); w2(y) Schedule S2: r1 (x); r2(2); r3(x); r1(2); r2(y); r3(y); w1(x); w2(z); w3(y); w2(y) Draw the serializability (precedence) for S1 and S2 and state whether each schedule is conflict serializable. Write down the equivalent serial schedule(s) if a schedule is serializable.
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