Towards a high integrity XML link update in object-relational database

Authors:
Eric Pardede;J. Wenny Rahayu;David Taniar
Affiliations:
Department of Computer Science and Computer Engineering, La Trobe University, Bundoora, VIC, Australia;Department of Computer Science and Computer Engineering, La Trobe University, Bundoora, VIC, Australia;School of Business Systems, Monash University, Clayton, VIC
Venue:
ICCSA'06 Proceedings of the 6th international conference on Computational Science and Its Applications - Volume Part I
Year:
2006

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Abstract

With the increasing usage of XML database, XML update has become an important issue in the database community. How updates affect the XML documents need to be investigated further. In this paper we propose a methodology to maintain the integrity of updated XML documents by maintaining the consistency of XML Link. XLink and its subsequent XPointer are W3C standards and used to provide referential purpose among XML documents or nodes. Since XML Link is embedded as an attribute in an XML instance, our proposal can be used for schema-less documents and for instance-based references. Our proposal is targeted for Object-Relational Storage, one of the most widely used repositories for XML document. While the XML documents are stored as a CLOB XML Type, our update methodologies are implemented as a set of functions that perform checking mechanism before updates.