CHAPTER 4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
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INTRODUCTION [pic] CHIPS Company is the World leader in the salty snack category‚ controlling more than 35% of the world market in snack chips &60% in the United State. Among the company’s well known brands are five that generate annual sales of$1billioneach: Lay’s‚ Ruffles‚Doritos‚ Tostitos &Chee –tos. In addition to its dominance of the potato chip‚ tortilla chip‚& corn chip sectors (the last of these led by the Fritos brand)‚Frito-Lays has major brands in other categories such as Rold Gold
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An enormous amount of research for specific cures is based on the data that is collected from health care organizations. There are also government organizations that will pave the road for programmers to be able to develop the framework of the database. The data that is collected from an electronic medical record system is imperative in supporting new knowledge of the manner in which a person’s health can be prolonged‚ or even saved. This memo is to provide you and your company an overview on
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com is developing a system to gather and keep massive amounts of intimate information about its millions of shoppers‚ including their religion‚ sexual orientation‚ ethnicity and income. The database‚ which would combine information disclosed voluntarily by customers with facts gleaned from public databases‚ conceivably would give Amazon a larger or more detailed profile of its customers than any other retailer. The Seattle-based company‚ with 59 million active customers‚ said it has no immediate
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SOFTWARE REQUIREMENTS SPECIFICATION (SRS) FOR Student and Unit Management System (SUMS) – Registration Module Version 1.0 Prepared by: YEUNG Kam Fung (Ivan) Prepared for: Jim Briggs‚ University of Portsmouth DOCUMENT CHANGE HISTORY |Version Number |Date |Description | |1.1 |8th December 2005 |Jim made some formatting and content |
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....................................................................3 1.2 Scope of the database ....................................................................................................................................3 2 Entity-Relationship Diagram ..............................................................................................................................4 3 Relational Database Schema ................................................................................
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Comparative studies‚ Emma and Sive IMPORTANCE OF MONEY ‘Emma’ is set in England in the early nineteenth century. Jane Austen succeeds in communicating the values of her culture and society. Money is highly valued in this society. People are judged by their wealth and material possessions. In some ways the cultural context of ‘Sive’ is utterly different to that of ‘Emma’. It too is set in a stable rural society of families and neighbours‚ but quite unlike the novel‚ the main characters lead
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Database Design Ryan K. Stephens Ronald R. Plew 800 East 96th St.‚ Indianapolis‚ Indiana‚ 46240 USA Database Design ASSOCIATE PUBLISHER Copyright 2001 by Sams Publishing EXECUTIVE EDITOR Bradley L. Jones All rights reserved. No part of this book shall be reproduced‚ stored in a retrieval system‚ or transmitted by any means‚ electronic‚ mechanical‚ photocopying‚ recording‚ or otherwise‚ without written permission from the publisher. No patent liability is assumed with respect
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A comparative study of Othello and O ‘O! Beware‚ my lord‚ of jealousy; it is the green-eyed monster which doth mock the meat it feeds on’ Jealousy is one of the main universal themes explored in both ‘Othello’ – a classical play wriitten four centuries ago‚ and ‘O’ – a modern film adaptation of the play made in 2000. Despite the differences in contexts between the two texts‚ the composers were able to present universal themes such as race and gender through the use of literary techniques appropriate
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to Any Database Avirup Sil∗ Temple University Philadelphia‚ PA avi@temple.edu Yinfei Yang St. Joseph’s University Philadelphia‚ PA yangyin7@gmail.com Abstract Existing techniques for disambiguating named entities in text mostly focus on Wikipedia as a target catalog of entities. Yet for many types of entities‚ such as restaurants and cult movies‚ relational databases exist that contain far more extensive information than Wikipedia. This paper introduces a new task‚ called Open-Database Named-Entity
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