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
Premium SQL Database Relational model
Introduction What is “Data”? ► A representation of raw facts which has no meaning assigned ► Generally‚ operations are performed on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories
Premium Data modeling Relational model SQL
Tech’s reputation and success. Human Resources Vision We deliver Human Resources programs and services with such quality and expertise that campus departments gain a competitive advantage from our collaborative efforts to make Virginia Tech a great place to work. HR Strategic Plan Goals and Objectives Goal One: Promote and enhance our competitive total rewards package to recruit and retain top talent. Objectives: Create a total rewards message to educate HR partners‚ hiring managers‚ and recruits
Premium Recruitment Employment Management
serve best. Most companies are moving away from Mass marketing – to – Target Marketing “Identify market segments‚ selecting one or more of them‚ developing products and market mixes tailored to each”- In this way sellers can develop right products for each target market and adjust prices‚ distribution channel‚ advertising to reach target markets‚ instead of scattering their marketing efforts” There are 3 major steps in Target Marketing. They are: MARKET SEGMENTATION ‘Dividing a market
Premium Marketing Product differentiation
of Database Tables Introduction to Normalization of Database Tables Normalization of Database Tables l Introduction to Normalization of Database Tables 4 4 4 ISM 602 Dr. Hamid Nemati 4 4 4 Functional Dependency l Introduction to Normalization of Database Tables l l A Functional Dependency Is A Relationship Between Or Among Attributes Such That The Values Of One Attribute Depend On‚ Or Are Determined By‚ The Values Of The Other Attribute(s).
Free Database normalization Relational model
ECO FRIENDLY DATABASE Varun Chauhan MBA Student‚ Delhi Institute of Advanced Studies Pranav Kharbanda MBA Student‚ Delhi Institute of Advanced Studies Vindhya Chhabra B.Tech Student‚ Delhi Technical University (IT) Sumit Jain MBA Student‚ Delhi Institute of Advanced Studies ECO FRIENDLY DATABASE ABSTRACT 2. GREEN DATABASE Database should utilize several modern hardware capabilities. The purpose
Premium Database management system Database Central processing unit
Objective Our main objective is to know and evaluate the Digitel’s technical operations and strategies and how they became successful despite of its existing competitors. Central Problem Before the acquisition of the Digitel network‚ a lot of their mobile network subscribers are complaining about the signal that they supplied to their customer especially in Metro Manila area. Sun uses the 1800Mhz band which uses less power but also provides less coverage as opposed to the 900 Globe and Smart user
Free Philippines Mobile phone Cellular network
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
Premium Database Relational model SQL
Institution Database Software The acquisition of database software for business information management is a source of business leverage in the ever competitive business environment. The management of business information is made possible by the acquisition of efficient database software. Database software is the term that refers to the computer program that helps to enter‚ update‚ organize‚ retrieve‚ and report information held in a computer database. Among the commonly used database software for
Premium SQL Database Data analysis
OBJECTIVES: 1. to investigate the heating process for solid dodecanoic acid 2. to investigate the cooling process for liquid dodecanoic acid 3. to determine and compare the melting and freezing points of dodecanoic acid SUPPLIES: Equipment ring stand buret clamp hot plate test tube (18mm * 150 mm) assembly (half full with solid dodecanoic acid with thermometer embedded) beaker (400 mL) thermometer for water bath lab apron safety goggles Chemical Reagents dodecanoic acid‚ C11H23COOH
Premium Melting point Liquid Temperature