Create a serializable history with the help of locks (2 PL protocol) or by skilfully arranging the basic operations, if possible.

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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Given the following transactions (with
basic operations r- read, w - write, a - abort, c - commit, data sets X, Y, Z)
T1 = w1 (X), c1
T2 = r2 (Y), r2 (Z), r2 (X), c2
T3 = w3 (Y), w3 (Z), c3
T4 = r4 (X), r4 (Y), c4
Create a serializable history with the help of locks (2 PL protocol) or by skilfully arranging the
basic operations, if possible.
Transcribed Image Text:Given the following transactions (with basic operations r- read, w - write, a - abort, c - commit, data sets X, Y, Z) T1 = w1 (X), c1 T2 = r2 (Y), r2 (Z), r2 (X), c2 T3 = w3 (Y), w3 (Z), c3 T4 = r4 (X), r4 (Y), c4 Create a serializable history with the help of locks (2 PL protocol) or by skilfully arranging the basic operations, if possible.
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