ISO_IEC_TR_10032_2003E.pdf

Reference numberISO/IEC TR 10032:2003(E)ISO/IEC 2003 TECHNICAL REPORT ISO/IECTR10032First edition2003-11-01 Information technology Reference Model of Data Management Technologies de linformation Modle de rfrence pour la gestion de donnes ISO/IEC TR 10032:2003(E)PDF disclaimer This PDF file may contain embedded typefaces.In accordance with Adobes licensing policy,this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing.In downloading this file,parties accept therein the responsibility of not infringing Adobes licensing policy.The ISO Central Secretariat accepts no liability in this area.Adobe is a trademark of Adobe Systems Incorporated.Details of the software products used to create this PDF file can be found in the General Info relative to the file;the PDF-creation parameters were optimized for printing.Every care has been taken to ensure that the file is suitable for use by ISO member bodies.In the unlikely event that a problem relating to it is found,please inform the Central Secretariat at the address given below.ISO/IEC 2003 All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2003 All rights reserved ISO/IEC TR 10032:2003(E)ISO/IEC 2003 All rights reserved iii Contents Page Foreword.vi Introduction.vii 1 Scope.1 2 Terms and definitions.1 3 Symbols and abbreviations.7 3.1 Symbols.7 3.1.1 Persistent data.7 3.1.2 Communications linkage.7 3.1.3 Processing linkage.7 3.1.4 Process class.7 3.1.5 Processor class.8 3.1.6 Processor class with service interface.8 3.1.7 Class names.8 3.2 Abbreviations.8 4 Data Management Requirements.9 4.1 Purpose.9 4.2 Information systems.9 4.2.1 Context of Data Management in an Information System.9 4.3 Database and schema.10 4.4 Data Modelling Facility.11 4.5 Data independence.11 4.6 Data management services.11 4.7 Processors and interfaces.12 4.8 Access control.12 4.8.1 Definition and modification of access control privileges.12 4.8.2 Enforcement of access control.12 4.8.3 Security external to data management.13 4.9 Operational requirements to support data management.13 4.9.1 Information systems life cycle support.13 4.9.2 Configuration management,version control and variants.14 4.9.3 Concurrent processing.14 4.9.4 Database transaction management.14 4.9.5 Performance engineering.15 4.9.6 Referencing data.15 4.9.7 Extensible Data Modelling Facility.15 4.9.8 Support for different Data Modelling Facilities at user interface.15 4.9.9 Audit trails.15 4.9.10 Recovery.15 4.9.11 Logical data restructuring.15 4.9.12 Physical storage reorganization.16 4.10 Additional operational requirements to support data management in a distributed information system.16 4.10.1 Distribution control.17 4.10.2 Database transaction management.18 4.10.3 Communications.18 4.10.4 Export/import.18 4.10.5 Distribution independence.18 4.10.6 System autonomy.18 4.10.7 Recovery of a distributed database.18 4.11 Dictionary systems.18 ISO/IEC TR 10032:2003(E)iv ISO/IEC 2003 All rights reserved 5 Concepts for data level pairs and related processes.19 5.1 Purpose.19 5.2 Level pairs.19 5.2.1 Interlocking level pairs.19 5.2.2 Recursive use of level pairs.20 5.2.3 Operations on level pairs.21 5.3 Dependence of level pairs on a Data Modelling Facility.21 5.3.1 Level pairs and data structuring rules.21 5.3.2 Level pairs and data manipulation rules.21 5.4 Level pairs and associated processes.22 5.5 Access control for level pairs.24 5.6 Schema modification.24 6 Architectural model.24 6.1 Purpose.24 6.2 Modelling concepts.24 6.2.1 Characteristics of Reference Model processors.25 6.2.2 Levels of abstraction.25 6.2.3 Notation for processors.25 6.3 The generic model of data management.26 6.3.1 Generic Database Controller.27 6.3.2 User Processor.27 6.3.3 User.28 6.4 Specialization of the model in different environments.28 6.5 Database environment.28 6.6 Distributed data management.29 6.6.1 Distribution Controller.31 6.6.2 Role of Distribution Controller and level pairs.31 6.7 Export/Import model.31 6.8 Access Control for Data Management.32 7 Objectives and principles for data management standardization.33 7.1 Purpose.33 7.2 Technical objectives associated with data management standardization.34 7.2.1 Support for all distributed scenarios.34 7.2.2 Location independence.34 7.2.3 Standardized database transaction management.35 7.2.4 Export and import of databases.35 7.2.5 Reduced complexity of handling data.36 7.2.6 Overall performance in distributed scenarios.36 7.2.7 Data independence.36 7.2.8