CHAPTER 17 DATA MODELING AND DATABASE DESIGN SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 17.1 Why is it not necessary to model activities such as entering information about customers or suppliers‚ mailing invoices to customers‚ and recording invoices received from suppliers as events in an REA diagram? The REA data model is used to develop databases that can meet both transaction
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Question Discuss critically on how to create sustainable competitive advantage through Strategic Management When a certain company or organization wants to possess sustainable competitive advantage in the product or services‚ first of all the company must focus on the core competencies. Core competencies is the things you can do better than your competitors in the critical‚ central areas of the company where the most value is added to company;s products. If a core competencies yields a long term
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240 - INTRODUCTION TO DATA PROCESSING/MANGEMENT OF INFORMATION TECHNOLOGY Objectives To give a thorough and up-to-date grounding in the realities of commercial applications of Information and Communication Technologies (ICT’s). To Examine the roles of data‚ information and knowledge within modern business organisations‚ and the roles that information and communication technologies (ICT’s) play in supporting people and groups within organisations. To provide students with a thorough understanding
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Sequential vs. Event-driven Programming Reacting to the user Outline Sequential programming GUI program organization Event-driven programming Modes Sequential Programming In sequential programs‚ the program is under control The user must synchronize with the program: Program tells user it is ready for input User enters input and it is processed Examples: Command-line prompts (DOS‚ UNIX) LISP interpreters Shouldn’t the program be required to synchronize with the user? Sequential
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Introduction Data management within Human Resources (HR) is essential as this can be used when organisations have to make decisions‚ contact employees and also satisfy legal requirements. Aims and Objectives The aim of this report is to show the importance of why organisations must collect HR data. The objectives are: * To identify two types of data organisations must collect and how this supports HR * To describe two methods of storing HR records and the benefits of each * To explain two
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Section 1.2 Review Questions 1. List the components of and explain the Business Pressures–Responses–Support model. The components of the pressure-response-support model are business pressures‚ companies’ responses to these pressures‚ and computerized support. The model suggests that responses are made to counter the pressures or to take advantage of opportunities‚ support facilitates monitoring the environment (e.g.‚ for opportunities) and enhances the quality of the responses. 2. What are
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All throughout time there have been society‚ organizations‚ and people driven by fear. When a society is driven by fear they live a life in which thoughts‚ decisions and actions are predominantly motivated by fear. One of the most iconic societies driven by fear was Nazi Germany. The Holocaust is mostly highly known as the attempted genocide of the Jews from 1933 to 1945. During this time‚ Hitler and his army would target the Jewish population all throughout Europe. Mostly all of the Jewish people
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Since it is a critical process to provide high efficiency‚ it was inavitable to integrate this quick cycles approach with testing. A process called “Test-Driven Development” was born in 2003 to provide exactly that. In TDD‚ before each cycle‚ requirements are examined and are evolved into the test cases. After that step‚ the software is developled only to pass these specific test and added to the product
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What Is A Data Dictionary? Per the IBM Dictionary of Computing‚ a data dictionary is a "centralized repository of information about data such as meaning‚ relationships to other data‚ origin‚ usage‚ and format." Essentially‚ it is documentation or data about data in a file or database‚ also called metadata. Typical Items In A Data Dictionary For each field or column in a database table‚ describe the following elements: Item Contents File/Table Name The name of the file or table where
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Process in Houston CIVT 301 Outline Wastewater collection data in Houston What is sewage treatment? Where does wastewater come from? Factors that affect the flow of pipelines Industrial wastewater? Storm water/ Data The treatment plant operator Sources of wastewater Why treat wastes Waste water treatment facilities Treatment processes Drinking water What can be done to help? Wastewater collection data in Houston 640 square miles area 3 million citizens served 6‚250 miles
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