Efficient extraction of XML content stored in a LOB

Details Efficient extraction of XML content stored in a LOB Efficient extraction of XML content stored in a LOB

2011-08-16

2011-08-16

Alam, Hosain T (Department: 2166)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

Reexamination Certificate

active

08001127

ABSTRACT:
A method and system are provided for extracting a valid, self-contained fragment for a node in a XML document stored in a database management system. An XML index is used to identify a location in which XML fragment data corresponding to the node is located. Ancestors of the node are identified and examined for any information needed for the proper interpretation of the fragment. If an ancestor node contains such needed information, this information is patched into the XML fragment to ensure that the fragment is a valid, self-contained XML fragment.

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