Logical Design Domonic Lastoria Professor Irene Hoskins Strayer University CIS 111 1/19/2013 1. List the advantages of a relational model specific to ACME Global Consulting. The relational database model specified for the ACME Global Consulting organizes given data in table series. Each of the table has fields specified with specifications regarding the data type stored (Easytoteach‚ 2011). The advantages of the relational model includes
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Database Design Process Database Life Cycle Key points Database design must reflect the information system of which the database is a part Information systems undergo evaluation and revision within a framework known as the Systems Development Life Cycle (SDLC) Databases also undergo evaluation and revision within a framework known as the Database Life Cycle (DBLC) There are two general design strategies exist: top-down vs. bottom-up design centralized vs. decentralized design 2
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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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Database Design Scenario Currently a school uses a non-computerised database system to store the following information about its students: roll class‚ surname‚ first name‚ guardian ’s name‚ address‚ student ’s date of birth‚ gender‚ sport house‚ emergency-contact telephone number‚ mailing name‚ list of subjects offered‚ and subjects in which the student is enrolled. The system takes up a large amount of space‚ has many duplicated entries some of these with mistakes and it is time consuming
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CONVERGENCE OF LOGICAL AND PHYSICAL SECURITY SYSTEMS INTRODUCTION Up to now‚ majority of organizations have their physical and logical access systems operating as independent structures‚ with each being run by a totally separate department. The information technology security system‚ which controls access to information technology infrastructure including mail servers‚ the internet‚ database applications and web servers was managed by the department of information technology. The physical security system
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several rules of Boolean algebra presented in this section for use in reducing expressions to their simplest forms. The identities and properties already reviewed in this chapter are very useful in Boolean simplification‚ and for the most part bear similarity to many identities and properties of "normal" algebra. However‚ the rules shown in this section are all unique to Boolean mathematics. This rule may be proven symbolically by factoring an "A" out of the two terms‚ then applying the rules of A
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tables‚ forms‚ and other objects that will make up your database‚ it is important to take time to design your database. A good database design is the keystone to creating a database that foes what you want it to do effectively‚ accurately‚ and efficiently. The first step in designing a Microsoft Access database is to determine the purpose of the database and how it’s to be used. You need to know what information you want from the database. Form that‚ you can determine what subjects you need
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Database Environment Brandon Smith DBM/380 10-8-2012 Kenneth Hoskins Database Environment “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store large amounts of record‚ but also be able to access those records fast and efficiently. In addition‚ new information and changes should also be easy to input.” (tech-faq.com) To be useful over a long term the database should be able
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Date: 20150216 Class: DBM/380 Instructor: In this essay I’m going to be discussing what database systems are and how they are used. I will de speaking on and defining database architecture. I also will be discussing how database systems are used in my everyday life and at my workstation. We will start this off with the answer to “What is a database?”. A database is a compilation of related or like pieces of data. This information or data is gathered and maintained to serve
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The Logical and Physical Design of a Network When a network is being designed‚ the architect must first think about the logical layout and that should be enforced. When he figures out what devices need to communicate and how‚ a physical design of the network can be implemented. A logical design is the reasoning of a network‚ with no particular devices or locations chosen. The physical design of the network is when the devices are picked and their actual location determined. When the logical design
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