Storing and Querying XML
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Описание:
XML has emerged as the standard for representing and exchanging data on the World Wide Web. It is critical to have efficient mechanisms to store and query XML data to exploit the full power of this new technology. Several researchers have proposed to use relational databases to store and query XML data. The main challenge of this approach is that, one needs to resolve the conflict between the hierarchical nature of the XML data model and the flat nature of the relational data model. This book covers an efficient mapping system, called XML2REL, for storing and querying XML documents using relational databases in the presence of an XML schema (DTD). XML2REL requires three main mappings from XML to relational which are schema mapping, data mapping and query mapping. The XML-to- Relational mapping system introduced in this book should be useful to students, instructors, scientists and IT professionals who want to get full advantages of a mature relational database system to process large...Похожие книги
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