Please use this template/************************************************************************* predefined classes, functions, structures*************************************************************************/#include <iostream> // cin, cout// missing severalusing namespace std;/************************************************************************* global formatting constants*************************************************************************/const unsigned int AUTHOR_COLUMN_WIDTH = 25;const unsigned int TITLE_COUNT_COLUMN_WIDTH = 18;/************************************************************************* function prototypes*************************************************************************/void showMenu();void displayFirstFileLine(const string file_name);void displayFirstAuthorName(const string file_name);void displayFirstAuthorInformation(const string file_name);void displayAllAuthorInformation(const string file_name);void displayFormattedTableNoAverage(const string file_name);void displayEntireFormattedTable(const string file_name);/************************************************************************* main() definition*************************************************************************//************************************************************************* main() definition*************************************************************************/int main(){ // loop through menu unsigned int user_choice; const string FILE_NAME = "author_titles_data.txt"; // get first user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; while (user_choice < 7) { cout << endl; switch (user_choice) { case 1: displayFirstFileLine(FILE_NAME); break; case 2: displayFirstAuthorName(FILE_NAME); break; case 3: displayFirstAuthorInformation(FILE_NAME); break; case 4: displayAllAuthorInformation(FILE_NAME); break; case 5: displayFormattedTableNoAverage(FILE_NAME); break; case 6: displayEntireFormattedTable(FILE_NAME); break; default: // nothing break; } cout << endl; // get next user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; } cout << endl; return 0;}/************************************************************************* function definitions*************************************************************************/void showMenu(){ cout << "Choose an option:" << endl << "1) display the first file line unformatted to screen" << endl << "2) display the first author name to screen" << endl << "3) display the first author name, 3 spaces, title count to screen" << endl << "4) display all authors name, 3 spaces, title count to screen" << endl << "5) display formatted table of authors no average" << endl << "6) option 5 plus the formatted average titles per author" << endl << "7) quit" << endl << endl; return; }//*************************************************************************void displayFirstAuthorName(const string file_name){ return;}//*************************************************************************void displayFirstFileLine(const string file_name){ return;}//*************************************************************************void displayFirstAuthorInformation(const string file_name){ return;}//*************************************************************************void displayAllAuthorInformation(const string file_name){ return;}//*************************************************************************void displayFormattedTableNoAverage(const string file_name){ return;}//*************************************************************************void displayEntireFormattedTable(const string file_name){ return;}THis is the content of the file, author_titles_data.txtJane Austen; 6Charles Dickens; 20Ernest Hemingway; 9Jack Kerouac; 22F. Scott Fitzgerald; 8Mary Shelley; 7Charlotte Bronte; 5Mark Twain; 11Agatha Christie; 73Ian Fleming; 14J.K. Rowling; 14Stephen King; 54Oscar Wilde; 1 The program will get its data from the input file authorn Vedatatet. This file can be accessed from your lab program. It can also bedownloaded so you can review its contents.The file contains many lines of information about book authors. Each line is formatted as an author's full name, samicolon, and the numberof books the author has writtenJohn F. Kennedy; 12Your program will read the file into a program, manipulate the data, and create a formatted table from the data and a calculationThe template gives you a start of the program. There are several new concepts in this template.The menu illustrates the progression that a programmer develops a complicated program like this. It lets you create this program insteps and test each stepIt is very occasionally a good idea to create global constants. The formatting constants will be used in multiple functions in thisprogram somaking them global is a good idea.The albemate way of creating programmer defined functions in C++ appears for the first time this semester. The function prototypesappear before the definition of main. The function definitions then appear after main(). You'll leam much more about this in CSPDevelop your program in p(1) Read the first line of the file and redisplay it to the output window(2) Figure out how to get the full name from the first line of the file. Display the full name to the output window. You'll probably copy andpast the code from step (1) into this function as your starting point.(3) Figure out how to get the number of books from the first line of the file AS AN INTEGER (HINT: will be useful.) Display the first author'sinformation in the minimal format from the menu.(4) Repeat step (3) for every line of the input fileCharlotte Bronte 5Mark Twain11Agatha Christie 73Ian Fleming143.K. Rowling 14(5) Now formally format the table. There will be a leff justified title line. The column widths are defined by the global constants. The namecolumn is left-justified and the number of books column is right-justified. The two columns are separated by a single vertical line characterExNumber of Novels AuthoredAuthor NJane AustenCharles DickensErnest HemingwayJack KerouacNumber of Titles622(6) The last feature is to determine the integer average number of books per author in the file. Display the fully formatted table from step (5)along with two more lines at the bottomExAverage titlesOne more thing. Your program must work for any data file that has the same format as authorsnedatatet Your solution must not dependon any of the specifics of this particular version of this file, like its number of lines or the total of all the titles18

In this question we have to complete the C++ program or the given template for the author related…

Please use this template /************************************************************************* predefined classes, functions, structures *************************************************************************/ #include // cin, cout // missing several using namespace std; /************************************************************************* global formatting constants *************************************************************************/ const unsigned int AUTHOR_COLUMN_WIDTH = 25; const unsigned int TITLE_COUNT_COLUMN_WIDTH = 18; /************************************************************************* function prototypes *************************************************************************/ void showMenu(); void displayFirstFileLine(const string file_name); void displayFirstAuthorName(const string file_name); void displayFirstAuthorInformation(const string file_name); void displayAllAuthorInformation(const string file_name); void displayFormattedTableNoAverage(const string file_name); void displayEntireFormattedTable(const string file_name); /************************************************************************* main() definition *************************************************************************/ /************************************************************************* main() definition *************************************************************************/ int main() { // loop through menu unsigned int user_choice; const string FILE_NAME = "author_titles_data.txt"; // get first user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; while (user_choice < 7) { cout << endl; switch (user_choice) { case 1: displayFirstFileLine(FILE_NAME); break; case 2: displayFirstAuthorName(FILE_NAME); break; case 3: displayFirstAuthorInformation(FILE_NAME); break; case 4: displayAllAuthorInformation(FILE_NAME); break; case 5: displayFormattedTableNoAverage(FILE_NAME); break; case 6: displayEntireFormattedTable(FILE_NAME); break; default: // nothing break; } cout << endl; // get next user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; } cout << endl; return 0; } /************************************************************************* function definitions *************************************************************************/ void showMenu() { cout << "Choose an option:" << endl << "1) display the first file line unformatted to screen" << endl << "2) display the first author name to screen" << endl << "3) display the first author name, 3 spaces, title count to screen" << endl << "4) display all authors name, 3 spaces, title count to screen" << endl << "5) display formatted table of authors no average" << endl << "6) option 5 plus the formatted average titles per author" << endl << "7) quit" << endl << endl; return; } //************************************************************************* void displayFirstAuthorName(const string file_name) { return; } //************************************************************************* void displayFirstFileLine(const string file_name) { return; } //************************************************************************* void displayFirstAuthorInformation(const string file_name) { return; } //************************************************************************* void displayAllAuthorInformation(const string file_name) { return; } //************************************************************************* void displayFormattedTableNoAverage(const string file_name) { return; } //************************************************************************* void displayEntireFormattedTable(const string file_name) { return; } THis is the content of the file, author_titles_data.txt Jane Austen; 6 Charles Dickens; 20 Ernest Hemingway; 9 Jack Kerouac; 22 F. Scott Fitzgerald; 8 Mary Shelley; 7 Charlotte Bronte; 5 Mark Twain; 11 Agatha Christie; 73 Ian Fleming; 14 J.K. Rowling; 14 Stephen King; 54 Oscar Wilde; 1

Please use this template /************************************* predefined classes, functions, structures / #include // cin, cout // missing several using namespace std; / global formatting constants / const unsigned int AUTHOR_COLUMN_WIDTH = 25; const unsigned int TITLE_COUNT_COLUMN_WIDTH = 18; / function prototypes / void showMenu(); void displayFirstFileLine(const string file_name); void displayFirstAuthorName(const string file_name); void displayFirstAuthorInformation(const string file_name); void displayAllAuthorInformation(const string file_name); void displayFormattedTableNoAverage(const string file_name); void displayEntireFormattedTable(const string file_name); / main() definition / / main() definition / int main() { // loop through menu unsigned int user_choice; const string FILE_NAME = "author_titles_data.txt"; // get first user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; while (user_choice < 7) { cout << endl; switch (user_choice) { case 1: displayFirstFileLine(FILE_NAME); break; case 2: displayFirstAuthorName(FILE_NAME); break; case 3: displayFirstAuthorInformation(FILE_NAME); break; case 4: displayAllAuthorInformation(FILE_NAME); break; case 5: displayFormattedTableNoAverage(FILE_NAME); break; case 6: displayEntireFormattedTable(FILE_NAME); break; default: // nothing break; } cout << endl; // get next user choice showMenu(); cout << "Enter your choice [1 to 7]: "; cin >> user_choice; } cout << endl; return 0; } / function definitions / void showMenu() { cout << "Choose an option:" << endl << "1) display the first file line unformatted to screen" << endl << "2) display the first author name to screen" << endl << "3) display the first author name, 3 spaces, title count to screen" << endl << "4) display all authors name, 3 spaces, title count to screen" << endl << "5) display formatted table of authors no average" << endl << "6) option 5 plus the formatted average titles per author" << endl << "7) quit" << endl << endl; return; } // void displayFirstAuthorName(const string file_name) { return; } //* void displayFirstFileLine(const string file_name) { return; } //* void displayFirstAuthorInformation(const string file_name) { return; } //* void displayAllAuthorInformation(const string file_name) { return; } //* void displayFormattedTableNoAverage(const string file_name) { return; } //************************************* void displayEntireFormattedTable(const string file_name) { return; } THis is the content of the file, author_titles_data.txt Jane Austen; 6 Charles Dickens; 20 Ernest Hemingway; 9 Jack Kerouac; 22 F. Scott Fitzgerald; 8 Mary Shelley; 7 Charlotte Bronte; 5 Mark Twain; 11 Agatha Christie; 73 Ian Fleming; 14 J.K. Rowling; 14 Stephen King; 54 Oscar Wilde; 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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Question

Please use this template

/*************************************************************************
predefined classes, functions, structures
*************************************************************************/
#include <iostream> // cin, cout
// missing several
using namespace std;

/*************************************************************************
global formatting constants
*************************************************************************/
const unsigned int AUTHOR_COLUMN_WIDTH = 25;
const unsigned int TITLE_COUNT_COLUMN_WIDTH = 18;

/*************************************************************************
function prototypes
*************************************************************************/
void showMenu();
void displayFirstFileLine(const string file_name);
void displayFirstAuthorName(const string file_name);
void displayFirstAuthorInformation(const string file_name);
void displayAllAuthorInformation(const string file_name);
void displayFormattedTableNoAverage(const string file_name);
void displayEntireFormattedTable(const string file_name);

/*************************************************************************
main() definition
*************************************************************************/

/*************************************************************************
main() definition
*************************************************************************/
int main()
{
// loop through menu
unsigned int user_choice;
const string FILE_NAME = "author_titles_data.txt";

// get first user choice
showMenu();

cout << "Enter your choice [1 to 7]: ";
cin >> user_choice;
while (user_choice < 7)
{
cout << endl;

switch (user_choice)
{
case 1:
displayFirstFileLine(FILE_NAME);
break;
case 2:
displayFirstAuthorName(FILE_NAME);
break;
case 3:
displayFirstAuthorInformation(FILE_NAME);
break;
case 4:
displayAllAuthorInformation(FILE_NAME);
break;
case 5:
displayFormattedTableNoAverage(FILE_NAME);
break;
case 6:
displayEntireFormattedTable(FILE_NAME);
break;
default:
// nothing
break;
}

cout << endl;

// get next user choice
showMenu();
cout << "Enter your choice [1 to 7]: ";
cin >> user_choice;
}

cout << endl;

return 0;
}

/*************************************************************************
function definitions
*************************************************************************/
void showMenu()
{
cout << "Choose an option:" << endl
<< "1) display the first file line unformatted to screen" << endl
<< "2) display the first author name to screen" << endl
<< "3) display the first author name, 3 spaces, title count to screen" << endl
<< "4) display all authors name, 3 spaces, title count to screen" << endl
<< "5) display formatted table of authors no average" << endl
<< "6) option 5 plus the formatted average titles per author" << endl
<< "7) quit" << endl
<< endl;

return;
}

//*************************************************************************

void displayFirstAuthorName(const string file_name)
{

return;
}

//*************************************************************************

void displayFirstFileLine(const string file_name)
{

return;
}

//*************************************************************************

void displayFirstAuthorInformation(const string file_name)
{

return;
}

//*************************************************************************

void displayAllAuthorInformation(const string file_name)
{

return;
}

//*************************************************************************

void displayFormattedTableNoAverage(const string file_name)
{
return;
}

//*************************************************************************

void displayEntireFormattedTable(const string file_name)
{

return;
}

THis is the content of the file, author_titles_data.txt
Jane Austen; 6
Charles Dickens; 20
Ernest Hemingway; 9
Jack Kerouac; 22
F. Scott Fitzgerald; 8
Mary Shelley; 7
Charlotte Bronte; 5
Mark Twain; 11
Agatha Christie; 73
Ian Fleming; 14
J.K. Rowling; 14
Stephen King; 54
Oscar Wilde; 1

The program will get its data from the input file authorn Vedatatet. This file can be accessed from your lab program. It can also be
downloaded so you can review its contents.
The file contains many lines of information about book authors. Each line is formatted as an author's full name, samicolon, and the number
of books the author has written
John F. Kennedy; 12
Your program will read the file into a program, manipulate the data, and create a formatted table from the data and a calculation
The template gives you a start of the program. There are several new concepts in this template.
The menu illustrates the progression that a programmer develops a complicated program like this. It lets you create this program in
steps and test each step
It is very occasionally a good idea to create global constants. The formatting constants will be used in multiple functions in this
program somaking them global is a good idea.
The albemate way of creating programmer defined functions in C++ appears for the first time this semester. The function prototypes
appear before the definition of main. The function definitions then appear after main(). You'll leam much more about this in CSP
Develop your program in p
(1) Read the first line of the file and redisplay it to the output window
(2) Figure out how to get the full name from the first line of the file. Display the full name to the output window. You'll probably copy and
past the code from step (1) into this function as your starting point.
(3) Figure out how to get the number of books from the first line of the file AS AN INTEGER (HINT: will be useful.) Display the first author's
information in the minimal format from the menu.
(4) Repeat step (3) for every line of the input file
Charlotte Bronte 5
Mark Twain
11
Agatha Christie 73
Ian Fleming
14
3.K. Rowling 14
(5) Now formally format the table. There will be a leff justified title line. The column widths are defined by the global constants. The name
column is left-justified and the number of books column is right-justified. The two columns are separated by a single vertical line character
Ex
Number of Novels Authored
Author N
Jane Austen
Charles Dickens
Ernest Hemingway
Jack Kerouac
Number of Titles
6
22
(6) The last feature is to determine the integer average number of books per author in the file. Display the fully formatted table from step (5)
along with two more lines at the bottom
Ex
Average titles
One more thing. Your program must work for any data file that has the same format as authorsnedatatet Your solution must not depend
on any of the specifics of this particular version of this file, like its number of lines or the total of all the titles
18

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