METHOD AND APPARATUS FOR XML DATA STORAGE, QUERY REWRITES, VISUALIZATION, MAPPING AND REFERENCES

摘要

Techniques are provided for one or more portions of the relational database to visualized as an XML document. A standard Uniform Resource Locator (URL) mechanism is provided to access data stored in the relational database by defining the URL as an XPath expression over the visualized XML document. Techniques are provided for mapping XML data and metadata from data in relational databases, for allowing the user to use a database query to retrieve data from a relational database in the form of XML documents, and f or XML data storage and query rewrites in relational databases.