Method and system for storing and querying of markup based documents in a relational database
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United States of America Patent
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Dec 14, 2004
Grant Date -
Sep 25, 2003
app pub date -
Mar 18, 2002
filing date -
Mar 18, 2002
priority date (Note) -
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Abstract
An apparatus, article of manufacture and computer-based markup serialization method is provided for transferring data contained in a markup based document, such as an Extensible Markup Language (XML) document, into a relational database stored in an electronic storage device having a database management system. They are used for easy subsequent retrieval of data from the database in the XML format and reconstruction of the XML document. The method decomposes the document according to basic markup types of the documents' data components and stores the decomposed document in a set of markup tables created in the database, one markup table for each basic markup type, thereby preserving the hierarchical tree structure, parent-child order, and components of the document. For querying the database markup tables the method uses SQL queries to retrieve the XML document components in the XML format.
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