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2002•Computer and ModernizationRequires access

Web Database Technology Based on XML

Changxuan Wan

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Abstract

Mainly discusses two language specification and implementation technologies to convert from relational data to XML documents. One approach is to define an XML view of relational database using RXL(Relational to XML Transformation Language)language, the resulting XML view is virtual. Some other application formulates a query over the virtual view using XML-QL, extracting some piece of XML data and materializing only the result of XML-QL query, achieving the conversion of relational data to XML documents. Another approach is to harness and extend the power of SQL to specify the conversion of relational data to XML documents. Nested SQL statements are used to specify nesting, and extended SQL functions are used to specify XML element construction, achieving the conversion of relational data to XML documents.

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What this paper is about

Mainly discusses two language specification and implementation technologies to convert from relational data to XML documents. One approach is to define an XML view of relational database using RXL(Relational to XML Transformation Language)language, the resulting XML view is virtual. Some other application formulates a query over the virtual view using XML-QL, extracting some piece of XML data and materializing only the result of XML-QL query, achieving the conversion of relational data to XML documents. Another approach is to harness and extend the power of SQL to specify the conversion of relational data to XML documents. Nested SQL statements are used to specify nesting, and extended SQL functions are used to specify XML element construction, achieving the conversion of relational data to XML documents.

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Available abstract

Mainly discusses two language specification and implementation technologies to convert from relational data to XML documents. One approach is to define an XML view of relational database using RXL(Relational to XML Transformation Language)language, the resulting XML view is virtual. Some other application formulates a query over the virtual view using XML-QL, extracting some piece of XML data and materializing only the result of XML-QL query, achieving the conversion of relational data to XML documents. Another approach is to harness and extend the power of SQL to specify the conversion of relational data to XML documents. Nested SQL statements are used to specify nesting, and extended SQL functions are used to specify XML element construction, achieving the conversion of relational data to XML documents.

Key concepts: Computer science, Efficient XML Interchange, XML database, XML validation, Streaming XML, XML Schema Editor, XML Encryption, Document Structure Description

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