Exercise 7-2: Accumulating Totals in Šingle-Level Control Break Programs In this exercise, you will use what you have learned about accumulating totals in a single-level control break program. Study the following code, and then answer Questions 1-4. if(sectionNum != oldSectionNum) { System.out.println("Section Number " totalSections = 1: oldSectionNum = Se. + oldSectionNum); onNum%; }
Exercise 7-2: Accumulating Totals in Šingle-Level Control Break Programs In this exercise, you will use what you have learned about accumulating totals in a single-level control break program. Study the following code, and then answer Questions 1-4. if(sectionNum != oldSectionNum) { System.out.println("Section Number " totalSections = 1: oldSectionNum = Se. + oldSectionNum); onNum%; }
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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Transcribed Image Text:Exercise 7-2: Accumulating Totals in Single-Level
Control Break Programs
In this exercise, you will use what you have learned about accumulating totals in a single-level
control break program. Study the following code, and then answer Questions 1-4.
if(sectionNum != oldSectionNum)
{
System.out.println("Section Number " + oldSectionNum);
totalSections
%3D
oldSectionNum
he
= SEL
onNum%3;
}
ole,
1. What is the control break variable?
:as
2. The value of the control break variable should never be changed. True or false?
3. Is totalSections being calculated correctly?
n the
If not, how can you fix the code?
to
** In a control break program, it doesn't matter if the records in the input file are in a
specified order. True or false?
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