Database Concepts (8th Edition)
Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Chapter 1, Problem 1.33RQ

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Web Database Application:

  • Web database application is an application designed to be accessed through internet and is used to manage a large amount of data online.
  • Multiple users can access the application.
  • Small or big business and enterprises use web database applications to generate feedback, polls.
  • Example: In online shopping sites such as Amazon or eBay, the web user interface is dependent on a database to store the data which is maintained by the web database application.

Mobile Computing:

Mobile computing is a technology that enables multiples users to use portable computing devices to run applications and access network services anytime, anywhere, anyplace via wireless networks...

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8. Name and Email AddressesWrite a program that keeps names and email addresses in a dictionary as key-value pairs. The program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. The program should pickle the dictionary and save it to a file when the user exits the program. Each time the program starts, it should retrieve the dictionary from the file and unpickle it.   How would the user be able to use the program?
Please solve and answer the question correctly please. Thank you!!
Please solve and answer the question correctly please. Thank you!!
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