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 8, Problem 8.15RQ

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Fact Table:

Fact table is the focal table of the dimension table that can store measure of the business activities.

  • The qualities of the data present are called as measures.
  • It holds the qualitative or factual data of the entity that are being represented in the fact table.
  • Fact tables are normalized and are present at the center of the star schema.
  • They do contain foreign key in joining the dimension tables...

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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!!
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