A database evolution taxonomy for object-oriented databases.

Rashid, Awais and Sawyer, Peter (2005) A database evolution taxonomy for object-oriented databases. Journal of Software Maintenance and Evolution: Research and Practice, 17 (2). pp. 93-141. ISSN 1532-0618

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Abstract

Like any other database application, object database applications are subject to evolution. Evolution, however, is a critical requirement in object-oriented databases as it is a fundamental characteristic of complex applications such as computer-aided design and manufacturing (CAD/CAM) and office information systems. Object-oriented databases are inherently suited to supporting such applications. In this paper we present a database evolution taxonomy for object-oriented databases. We describe a conceptual database model and use it to define the taxonomy. We also present the various invariants and rules governing the various evolution operations. The execution sequence of rules is described. An implementation of the database model and the evolution taxonomy in the Semi-Autonomous Database Evolution System (SADES), is discussed. The implementation employs aspect-oriented programming techniques to provide a flexible means of transforming objects upon evolution, and implementing some application-specific evolution primitives. A case study compares the evolution taxonomy with existing evolution approaches. The comparison demonstrates that the taxonomy and its corresponding implementation in SADES provide improved coverage of the fundamental evolution operations to which an object database might be subjected. At the same time, erosion of the database structure is avoided by maintaining a coherent and comprehensible view of historical changes.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Software Maintenance and Evolution: Research and Practice
Additional Information:
This paper culminates the body of work conducted at Lancaster on aspect-oriented database systems. It uses object-oriented databases as a case example to highlight the need to support developer-end customisability in database systems. It then presents the vision of aspect-oriented databases ' database systems natively supporting aspect-oriented abstractions ' as a means to develop customisable database systems. The paper was followed up by a book which has in turn triggered other researchers to focus on aspects and persistence. An SME: Object Nirvana (http://www.objectnirvana.com/) is launching an aspect-oriented database product that is inspired by the ideas in the paper and its follow-up book. RAE_import_type : Journal article RAE_uoa_type : Computer Science and Informatics
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qa75
Subjects:
?? OBJECT DATABASE EVOLUTION SCHEMA EVOLUTION CLASS VERSIONING OBJECT VERSIONING SEPARATION OF CONCERNS ASPECT-ORIENTED PROGRAMMINGCOMPUTING, COMMUNICATIONS AND ICTSOFTWAREQA75 ELECTRONIC COMPUTERS. COMPUTER SCIENCE ??
ID Code:
2554
Deposited By:
Deposited On:
26 Jun 2008 15:23
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Sep 2023 00:20