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 8.51RQ

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Difference between SaaS , PaaS and IaaS:

SaaS PaaS IaaS
“SaaS” stands for “Software as a Service”. “PaaS” stands for “Platform as a Servic”. “IaaS” stands for “Infrastructure as a Service”.
It provides pre- installed and configured software package as per the requirement. Need to pay for the software package or resource that is used. The resources such as software, hardware, operating system and web environment are provided based on the user requirement. Need to pay for the software package or resource that is used. It provides infrastructure to utilize or install any required operating system, software or any composition...

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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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