The symmetric closure of the relation R={(1,1),(1,2),(2,2),(2,3)(4,4)} on the set {1,2,3,4} is: Select one: O a. {(1,1),(1,2),(2,1),(2,2),(2,3),(3,2)(4,4)} O b. R O c. {(1,1),(1,2),(2,1),(2,3)(3,2)(4,4)} O d. {(1,1),(2,2),(3,3)(4,4)}

The symmetric closure of the relation R={(1,1),(1,2),(2,2),(2,3)(4,4)} on the set {1,2,3,4} is: Select one: O a. {(1,1),(1,2),(2,1),(2,2),(2,3),(3,2)(4,4)} O b. R O c. {(1,1),(1,2),(2,1),(2,3)(3,2)(4,4)} O d. {(1,1),(2,2),(3,3)(4,4)}

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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Problems on Growing Functions

For a given set of functions f and g, the growth of functions states that the function g grows as fast as the function f. The growth rate of algorithms helps determine the algorithm's efficiency and compare its performance to other algorithms.

Question

The symmetric closure of the relation
R={(1,1),(1,2),(2,2),(2,3),(4,4)}
on the set {1,2,3,4} is:
Select one:
O a. {(1,1)(1,2),(2,1),(2,2),(2,3)(3,2),(4,4)}
O b. R
O c. {(1,1),(1,2),(2,1),(2,3),(3,2),(4,4)}
O d. {(1,1),(2,2),(3,3),(4,4)}

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