2.13 Consider the following three statements: S, : S2: y = x S3: x = x - y; x = x + y; Assume that x is initially 2 and that y is initially 5. For each of the following, what are the possible final values of x and y? Explain your answers. (a) s,; S2; S,; (b) co (S,;) // (s,) // (s,;) oc (c) co (await (x > y) S,i S,;) // (S37) oc

2.13 Consider the following three statements: S, : S2: y = x S3: x = x - y; x = x + y; Assume that x is initially 2 and that y is initially 5. For each of the following, what are the possible final values of x and y? Explain your answers. (a) s,; S2; S,; (b) co (S,;) // (s,) // (s,;) oc (c) co (await (x > y) S,i S,;) // (S37) oc

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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