Alg bre relationnelle

Titre : Alg bre relationnelle
Auteur : Michelle Clouse
Éditeur : Editions ENI
ISBN-13 : 2746041545
Libération : 2008-03-01

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Ce livre sur l'algèbre relationnelle et la conception d'une base de données est un guide pratique qui décrit différentes étapes, pas à pas et avec de nombreux exemples, de l'expression des besoins des utilisateurs à la conception d'une base de données relationnelle normalisée qui répond à leur demande. C'est un ouvrage qui peut être lu, compris et mis en pratique par tout public : débutant, étudiant en informatique mais aussi professionnel de l'informatique ou enseignant. Tout au long des chapitres, la base de données sera positionnée dans le Système d'Information puis les sujets suivants seront décrits et mis en pratique : le dictionnaire des données de l'entreprise, la Matrice des Dépendances Fonctionnelles, les modèles et plus particulièrement les modèles de données de la méthode Merise (dont le modèle Conceptuel de Données), les règles de passage de la Matrice des Dépendances Fonctionnelles au schéma entités-associations puis à la Base de Données Relationnelle, les concepts fondamentaux de l'algèbre relationnelle, les opérateurs de l'algèbre relationnelle pour répondre aux requêtes des utilisateurs, la normalisation des relations... Après la lecture de ce livre, le lecteur sera capable de modéliser conceptuellement une base de données relationnelle et d'interroger les données de cette base en utilisant les opérateurs de l'algèbre relationnelle. Le processus développé dans le livre peut être mis en pratique facilement et avec succès dans la vie professionnelle. Des compléments à cet ouvrage (arbres algébriques de l'étude de cas, exercices sur les formes normales, exercices d'utilisation d'opérateurs algébriques...) sont en téléchargement sur

Livres hebdo

Titre : Livres hebdo
Auteur :
Éditeur :
ISBN-13 : STANFORD:36105133498118
Libération : 2008

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A été écrit sous une forme ou une autre pendant la plus grande partie de sa vie. Vous pouvez trouver autant d'inspiration de Livres hebdo Aussi informatif et amusant. Cliquez sur le bouton TÉLÉCHARGER ou Lire en ligne pour obtenir gratuitement le livre de titre $ gratuitement.

Bulletin signal tique des t l communications

Titre : Bulletin signal tique des t l communications
Auteur :
Éditeur :
ISBN-13 : CORNELL:31924056657335
Libération : 1993-01

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A été écrit sous une forme ou une autre pendant la plus grande partie de sa vie. Vous pouvez trouver autant d'inspiration de Bulletin signal tique des t l communications Aussi informatif et amusant. Cliquez sur le bouton TÉLÉCHARGER ou Lire en ligne pour obtenir gratuitement le livre de titre $ gratuitement.

Understanding Networked Multimedia

Titre : Understanding Networked Multimedia
Auteur : François Fluckiger
Éditeur :
ISBN-13 : 0131909924
Libération : 1995

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Covers all networking, multimedia applications and technology in one volume. Has a tutorial approach to the subject, complete with formal definitions, glossary (500 terms), 230 illustrations, a list of frequently asked questions, real world examples and analogies, and end-of-chapter summaries. Sophisticated technologies are explained in a rigorous but easy-to- understand way. Network managers and administrators handling private and public LANs or WANs, system designers, computer industry product developers, and multimedia IS managers.

Schaum s outline of theory and problems of operations research

Titre : Schaum s outline of theory and problems of operations research
Auteur : Richard Bronson
Éditeur : Schaum's Outline Series
ISBN-13 : UOM:39076000468640
Libération : 1982

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Confusing Textbooks? Missed Lectures? Not Enough Time'. . Fortunately for you, there's Schaum's Outlines. More than 40 million students have trusted Schaum's to help them succeed in the classroom and on exams. Schaum's is the key to faster learning and higher grades in every subject. Each Outline presents all the essential course information in an easy-to-follow, topic-by-topic format. You also get hundreds of examples, solved problems, and practice exercises to test your skills. . . This Schaum's Outline gives you. . Practice problems with full explanations that reinforce knowledge. Coverage of the most up-to-date developments in your course field. In-depth review of practices and applications. . . Fully compatible with your classroom text, Schaum's highlights all the important facts you need to know. Use Schaum's to shorten your study time-and get your best test scores!. . Schaum's Outlines-Problem Solved..

Database Design and Relational Theory

Titre : Database Design and Relational Theory
Auteur : C.J. Date
Éditeur : "O'Reilly Media, Inc."
ISBN-13 : 9781449330200
Libération : 2012-04-17

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What makes this book different from others on database design? Many resources on design practice do little to explain the underlying theory, and books on design theory are aimed primarily at theoreticians. In this book, renowned expert Chris Date bridges the gap by introducing design theory in ways practitioners can understand—drawing on lessons learned over four decades of experience to demonstrate why proper database design is so critical in the first place. Every chapter includes a set of exercises that show how to apply the theoretical ideas in practice, provide additional information, or ask you to prove some simple theoretical result. If you’re a database professional familiar with the relational model, and have more than a passing interest in database design, this book is for you. Questions this book answers include: Why is Heath’s Theorem so important? What is The Principle of Orthogonal Design? What makes some JDs reducible and others irreducible? Why does dependency preservation matter? Should data redundancy always be avoided? Can it be? Databases often stay in production for decades, and careful design is critical for avoiding subtle errors and processing problems over time. If they’re badly designed, the negative impacts can be incredibly widespread. This gentle introduction shows you how to use important theoretical results to create good database designs.

The Hadrian Enigma a Forbidden History

Titre : The Hadrian Enigma a Forbidden History
Auteur : George Gardiner
Éditeur : George Gardiner
ISBN-13 : 9780980746907
Libération : 2010

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LUST. LOVE. REVENGE. COMING-OUT. An emperor's search for love destroys the very person he most adores. Crime/mystery/romance historical fiction based upon real events and characters of pagan Rome. Set two centuries before Rome's recognition of Christians, it is an era of intrigue, torrid relations, raging ambition, wild sensuality, & unconventional love. Caesar Hadrian's 'favorite' is found one dawn beneath the waters of the River Nile. Is it a prank gone wrong, a suicide, murder, or something far more sinister? Barrister & historian, Suetonius Tranquillus, & his upmarket courtesan companion Surisca are allowed two days to uncover the truth on pain of penalty. They discover more than they bargained for ...

Dynamic Programming

Titre : Dynamic Programming
Auteur : Moshe Sniedovich
Éditeur : CRC Press
ISBN-13 : 1420014633
Libération : 2010-09-10

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Incorporating a number of the author’s recent ideas and examples, Dynamic Programming: Foundations and Principles, Second Edition presents a comprehensive and rigorous treatment of dynamic programming. The author emphasizes the crucial role that modeling plays in understanding this area. He also shows how Dijkstra’s algorithm is an excellent example of a dynamic programming algorithm, despite the impression given by the computer science literature. New to the Second Edition Expanded discussions of sequential decision models and the role of the state variable in modeling A new chapter on forward dynamic programming models A new chapter on the Push method that gives a dynamic programming perspective on Dijkstra’s algorithm for the shortest path problem A new appendix on the Corridor method Taking into account recent developments in dynamic programming, this edition continues to provide a systematic, formal outline of Bellman’s approach to dynamic programming. It looks at dynamic programming as a problem-solving methodology, identifying its constituent components and explaining its theoretical basis for tackling problems.

Microsoft Project 2013 The Missing Manual

Titre : Microsoft Project 2013 The Missing Manual
Auteur : Bonnie Biafore
Éditeur : "O'Reilly Media, Inc."
ISBN-13 : 9781449357924
Libération : 2013-04-17

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Get up to speed on Microsoft Project 2013 and learn how to manage projects large and small. This crystal-clear book not only guides you step-by-step through Project 2013’s new features, it also gives you real-world guidance: how to prep a project before touching your PC, and which Project tools will keep you on target. With this Missing Manual, you’ll go from project manager to Project master. The important stuff you need to know Learn Project 2013 inside out. Get hands-on instructions for the Standard and Professional editions. Start with a project management primer. Discover what it takes to handle a project successfully. Build and refine your plan. Put together your team, schedule, and budget. Achieve the results you want. Build realistic schedules with Project, and learn how to keep costs under control. Track your progress. Measure your performance, make course corrections, and manage changes. Create attractive reports. Communicate clearly to stakeholders and team members using charts, tables, and dashboards. Use Project’s power tools. Customize Project’s features and views, and transfer info via the cloud, using Microsoft SkyDrive.

DW 2 0 The Architecture for the Next Generation of Data Warehousing

Titre : DW 2 0 The Architecture for the Next Generation of Data Warehousing
Auteur : W.H. Inmon
Éditeur : Morgan Kaufmann
ISBN-13 : 008055833X
Libération : 2010-07-28

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DW 2.0: The Architecture for the Next Generation of Data Warehousing is the first book on the new generation of data warehouse architecture, DW 2.0, by the father of the data warehouse. The book describes the future of data warehousing that is technologically possible today, at both an architectural level and technology level. The perspective of the book is from the top down: looking at the overall architecture and then delving into the issues underlying the components. This allows people who are building or using a data warehouse to see what lies ahead and determine what new technology to buy, how to plan extensions to the data warehouse, what can be salvaged from the current system, and how to justify the expense at the most practical level. This book gives experienced data warehouse professionals everything they need in order to implement the new generation DW 2.0. It is designed for professionals in the IT organization, including data architects, DBAs, systems design and development professionals, as well as data warehouse and knowledge management professionals. * First book on the new generation of data warehouse architecture, DW 2.0. * Written by the "father of the data warehouse", Bill Inmon, a columnist and newsletter editor of The Bill Inmon Channel on the Business Intelligence Network. * Long overdue comprehensive coverage of the implementation of technology and tools that enable the new generation of the DW: metadata, temporal data, ETL, unstructured data, and data quality control.