Which expression evaluates to true if the corresponding characters of strings s1 and s2 are equal independent of case? Ex: "C" and "c" should be considered equal. A. str1.at(i) == str2.at(i) B. str1.at((tolower(i)) == str2.at(tolower(i)) C. str1.at(i) == toupper(str2.at(i))
Which expression evaluates to true if the corresponding characters of strings s1 and s2 are equal independent of case? Ex: "C" and "c" should be considered equal. A. str1.at(i) == str2.at(i) B. str1.at((tolower(i)) == str2.at(tolower(i)) C. str1.at(i) == toupper(str2.at(i))
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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Which expression evaluates to true if the corresponding characters of strings s1 and s2 are equal independent of case? Ex: "C" and "c" should be considered equal.
A. str1.at(i) == str2.at(i)
B. str1.at((tolower(i)) == str2.at(tolower(i))
C. str1.at(i) == toupper(str2.at(i))
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