48519030790529420 INTERNATIONAL ISO/IEC 2382-17 STANDARD NORME INTERNATIONALE Secondedition Deuxieme édition 1999-07-15 Information technology - Vocabulary - Part 17: Databases Technologies de I'information- Vocabulaire- Partie 17: Bases de données This material is reproduced from ISO documents under International Organization for Standardization (ISO) Copyright License Number IHS/ICC/1996.Not for resale.No part of these IsO documents may be reproduced in any form, electronic retrieval system orotherwise, except as allowed in che copyright law ofthecountry ofuse,or with the prior writtenconsent ofIsO(Case postale56, 1211 Geneva 20,Switzerland, Fax+41 22 734 10 79), IHS or the isO Licensor's members. IEC Referencenumber ISO Numeroderéférence ISO/IEC2382-17:1999(E/F) CopYRIGHT International Organization for Standardization Licensed by Information Handling Services 48519030790530142 ISO/EC2382-17:1999(E/F) Contents Page Foreword..... .iv Introduction Section 1: General 1.1 Scope... 1.2 Normative references.... 1.3 Principles and rules followed 1.3.1 Definition of an entry.. 1.3.2 Organizationofanentry 1.3.3 Classificationofentries... 1.3.4 Selectionoftermsandwordingofdefinitions... 1.3.5 Multiple meanings. 1.3.6 Abbreviations... 1.3.7 Useofparentheses 1.3.8 Use of brackets... 1.3.9 Use oftermsprinted in italictypeface indefinitions and theuse 1.3.10 Spelling....... 1.3.11 Organization ofthealphabetical index Section 2:Terms and definitions 17 Databases. 17.01 General concepts 17.02 Conceptual level. 6 17.03 External and internal (logical and physical) levels. 17.04 Relational structure... 10 17.05 Hierarchical and network structures 12 17.06 Data dictionary facilities. 14 17.07 Database languages.. 16 17.08 Implementationandmanagement. 18 Aiphabetical indexes English 21 French. 24 ISO/EC1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any fom or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. / Droits de reproduction reserves. Sauf prescription differente, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit etpar aucun procede, électronique ou mecanique,y compris la photocopie et les microfilms, sans I'accord écrit de Péditeur. ISO/IECCopyrightOffice·Casepostale56·CH-1211Geneve20·Switzerland Printed in Switzerland/lmprime en Suisse CopYRIGHT International Organization for Standardization Licensed by Information Handling Services ST.IS0 23B2-17-ENGL 1999 4851903 30790531089 ISO/IEC2382-17:1999(E/F) @ISO/IEC Sommaire Page Avant-propos .v Introduction. vii Section 1: Generalites 1.1 Domained'application. References normatives. 1.2 Principes d'établissement et regles suivies 1.3 .2 1.3.1 Definition de l'article 2 1.3.2 Constitutiond'unarticle. 2 1.3.3 Classification des articles. 1.3.4 Choixdestermes etdesdefinitions 1.3.5 Pluralite de sens ou polysemie 1.3.6 Abréviations 1.3.7 Emploidesparentheses. 1.3.8 Emploidescrochets 1.3.9 Emploidanslesdéfinitionsdetermes imprimésencaracteres italiques et de I'asterisque.. 1.3.10 Mode d'écriture et orthographe 1.3.11 Constitution de I'index alphabetique. Section2:Termesetdefinitions 17 Bases de donnees.... 17.01 Notionsgenerales. .5 17.02 Niveau.conceptuel..... 17.03 Niveauxexterneetinterne(logiqueetphysique). 17.04 Structure relationnelle. .10 17.05 Structures hiérarchique eten réseau 12 17.06 Dictionnaire desdonnées. 14 17.07 Langages de bases de donnees 16 17.08 Miseenceuvreetadministration. 18 Index alphabetiques Anglais Francais 24 ii CopYRIGHT International Organization for Standardization LicensedbyInformation HandlingService: STD.ISO >2382-17-ENGL 1999 EObTS 2E50620 T15 一 ISO/EC2382-17:1999(E/F) @ISO/EC Foreword Electrotechnical Commission)form the specialized system for worldwide standardization. National bodies that are members of isO or IEC participate in the development of International Sta