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Consider the following program: int x = 1, y = 1; co || y=0; ||x=x-y; oc (a) Does the program meet the requirements of the At-Most-Once Property (2.2)? Explain. (b) What are the final values of × and y? Explain your answer.

Consider the following program: int x = 1, y = 1; co || y=0; ||x=x-y; oc (a) Does the program meet the requirements of the At-Most-Once Property (2.2)? Explain. (b) What are the final values of × and y? Explain your answer.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider the following program:
int x = 1, y = 1;

co <x=x+y;>
|| y=0;

||x=x-y;

oc
(a) Does the program meet the requirements of the At-Most-Once Property (2.2)? Explain.
(b) What are the final values of × and y? Explain your answer.

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