EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
12th Edition
ISBN: 8220101450739
Author: Morris
Publisher: YUZU
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Chapter 13, Problem 11RQ
Program Plan Intro

Online Analytical Processing (OLAP):

  • Online Analytical Processing is a tool that provides multidimensional views of their data.
  • It uses the query and tool to provide the multidimensional view and uses the simple windows techniques to analyze the data.

Client/server architecture:

  • Client-server architecture is the most commonly used architecture design these days.
  • In client-server architecture, only two sets of computers are used in a network.
  • Multiple client computers are connected to a single server.
  • The client handles the presentation logic and application logic, i.e., the user interface will be in client system as well as it handles the user requirements.
  • Server handles the data access logic and data storage part.
  • The server stores the data and application software that is accessed by end users through client computers.

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A Personal Address Book application program allows the user to add, delete, search, save, and load contact information. The program separates the user interface (command-line) and the internal processing subsystem. The internal processing system consists of the following classes: • • Contact Manager (responsible for add and delete operations) Contact Finder (responsible for the search operation) pataManager (responsible for save and load operations) a. What design pattern can be used to implement the user interface? Explain your answer using a class diagram for the entire system. b. Draw a UML sequence diagram to show the behavioral view of the Personal Address Book program, demonstrating what happens when a user enters new contact information.
A system comprises three components: A, B, and C. Calling A requires calling B, and calling B requires calling A. Component C is responsible for dissimilar tasks T#1, #2, and T#3. a. Comment on the modifiability of this system. What problems do you see in this system, and how would you solve them? b. Suppose that T#1 is performed by both component A and C. What does this indicate about A and C? How would you solve this problem?
Please answer questions from number 1 to 3 if these questions in the image provided below(NOTE: THESE QUESTIONS ARE NOT GRADED!)
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