Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Assume the following main module is in a program that includes the binarySearch function that was shown in this chapter. Why doesn’t the pseudocode in the main module work?


// This program uses the binarySearch function to search for a
// name in the array. This program assumes the binarySearch
// function has already been defined.

Module main()
Constant Integer SIZE = 5
Declare String names[SIZE] = "James", "Marc", "Pam", "Susan", "Zack"
Declare String searchName
Declare Integer index

Display "Enter a name to search for."
Input searchName

Set index = binarySearch(names, searchName, SIZE)

If index = -1 Then
Display searchName, " was found."
Else
Display searchName, " was NOT found."
End If
End Module

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