=?php SoddKeys = array (1 => "hello", 3 => "world", 5 => "!"); if (isset($oddKeys [0])) { // The code below will never be reached since $oddKeys [0] is not set! echo "there is something set for key 0"; if (isset($oddKeys [1])) { // This code will run since a key/value pair was defined for key 1 echo "there is something set for key 1, namely ". $oddKeys [1]; →→

=?php SoddKeys = array (1 => "hello", 3 => "world", 5 => "!"); if (isset($oddKeys [0])) { // The code below will never be reached since $oddKeys [0] is not set! echo "there is something set for key 0"; if (isset($oddKeys [1])) { // This code will run since a key/value pair was defined for key 1 echo "there is something set for key 1, namely ". $oddKeys [1]; →→

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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