Q2. Using file for storage Write a program to help the user to store data into a file, and then read the file to print stored data to the screen. • Please use the file data-assignment-7.txt stored in github for your program. The file stores a set of records in the form of first name, last name, age.; • The program first asks the user to input data: o Open the data file data-assignment-7.txt; o Ask the user to input a record, which includes the three fields first name, last name, age; o If the user finishes the input, he/she inputs quit to terminate the input process; o Close the data file data-assignment-7.txt. The program then prints the data stored in the data file data-assignment-7.txt o Open the data file data-assignment-7.txt; o Read each data record and print it to the screen; o Close the data file. Q3. Implement the program in Q2 using user defined functions. • Define a function int getinput(string s), where s is the name of the data file; • Define a function int printFile(string s), where s is the name of the data file; • If the function succeeds, returns 0, otherwise returns 1.

Q2. Using file for storage Write a program to help the user to store data into a file, and then read the file to print stored data to the screen. • Please use the file data-assignment-7.txt stored in github for your program. The file stores a set of records in the form of first name, last name, age.; • The program first asks the user to input data: o Open the data file data-assignment-7.txt; o Ask the user to input a record, which includes the three fields first name, last name, age; o If the user finishes the input, he/she inputs quit to terminate the input process; o Close the data file data-assignment-7.txt. The program then prints the data stored in the data file data-assignment-7.txt o Open the data file data-assignment-7.txt; o Read each data record and print it to the screen; o Close the data file. Q3. Implement the program in Q2 using user defined functions. • Define a function int getinput(string s), where s is the name of the data file; • Define a function int printFile(string s), where s is the name of the data file; • If the function succeeds, returns 0, otherwise returns 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

See similar textbooks

Similar questions

The question continues from here, please After lunching the App, the user will need to enter information about each of the vehicles in the garage. This includes entering the lot numbers that identifies a vehicle, the year, and the vehicle make and model, Millage, Engine Capacity and Price, entering information for each extra including ID, Name, Type (interior or Exterior). To conduct a sale the application users selects from among the list of vehicles and extras to add to a receipt. The app must not allow an extra into a receipt until at least one vehicle is inserted. When the a vehicle and extras is inserted into a receipt, the app must calculate: Subtotal: use a function to compute this as the price less the amount of discount (if any) plus the cost of extras (if any). Sales Tax: Regular customers must pay a state sales tax on their purchase. The tax rate is 5% and is computed on the subtotal. Wholesale dealers purchasing a vehicle do NOT pay any sales tax. This must be…
Question 1 Full explain this question and text typing work only thanks
Hi, i would like to know what following should i add to complete: 4 and 5 : Name the script pickanumber3.sh. The script will get a random number 1 - 100. Ask the user to pick a number. If the user picked the correct number, tell the user. If not, tell the user if they were too high or too low and ask the user to try again. Keep track of how many guesses the user makes and print a message that tells them they lose, what the number was and exit after 5 guesses Here, what i have done so far.
Please list the eight most important user interface design ideas. How would you rank them in terms of importance if you had to?
I am creating a webpage with PHP and am needing to create a dropdown menu that allows someone to change the year and month on a calendar and click "OK" to change the year and month on the calendar. I am wanting to create a PHP loop to do this, not hard code it.
Needing help: create your own similar PHP code example in which you will demonstrate an application with and without an error handler code. Please type out in text as handwriting is often difficult to read.
While creating software, why is it important to leave comments? Give me some examples of when I might utilize this comment. t.
Your submission and any comments you make cannot be more than 100 characters long each. You may make use of emoji and special characters as necessary. Given those restrictions: Summarize today's lesson on Typography. I wont be here to do this and I was wondering if i can get some help please thank you its a class for interactive multimedia
I know it is a pain but can you provide comments that give some detail as to what each line of code is doing/functionality in the application. Please and thank you
Code with comments and output screenshot. Also, explain your answer in detail. Thank you!!!
Launch Google Earth and find the geographic location of the Rocklin Campus of Sierra College. Google Earth provides the geographic location in DMS (degrees, minutes, seconds). The seconds in your location may vary slightly from the values below (depending of what exact point on campus the application will pick), however, focus on the cardinal directions to get the right answer. Choose the correct answer from the following options: Lat: 38 deg 47 min 16 sec East ; Long: 121 deg, 12 min 22 sec West Lat: 38 deg 47 min 16 sec North ; Long: 121 deg, 12 min 22 sec West Lat: 38 deg 47 min 16 sec South ; Long: 121 deg, 12 min 22 sec East Lat: 38 deg 47 min 16 sec North ; Long: 121 deg, 12 min 22 sec East
Always keep the user interface design and user experience design distinct. Make a list of the most effective strategies.