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Time Transaction T₁ read_item(X); write_item(X); read_item(Y); write_item(Y); Transaction T₂ read_item(Z); read_item(Y); write_item(Y); read_item(X); write_item(X); Transaction T3 read_item(Y); read_item(Z); write_item(Y); write_item(Z);

Time Transaction T₁ read_item(X); write_item(X); read_item(Y); write_item(Y); Transaction T₂ read_item(Z); read_item(Y); write_item(Y); read_item(X); write_item(X); Transaction T3 read_item(Y); read_item(Z); write_item(Y); write_item(Z);

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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Draw the figure for the below locking for the following given table.

1. Binary Locking

2. Shared / Exclusive Locking

3. Using Timestamp

 

Time Transaction T₁ read_item(X); write_item(X); read_item(Y); write_item(Y); Transaction T₂ read_item(Z); read_item(Y); write_item(Y); read_item(X); write_item(X); Transaction T3 read_item(Y); read_item(Z); write_item(Y); write_item(Z);
Transcribed Image Text:Time Transaction T₁ read_item(X); write_item(X); read_item(Y); write_item(Y); Transaction T₂ read_item(Z); read_item(Y); write_item(Y); read_item(X); write_item(X); Transaction T3 read_item(Y); read_item(Z); write_item(Y); write_item(Z);
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