Invention Grant
US07885980B2 Mechanism for improving performance on XML over XML data using path subsetting
有权
使用路径子集提高XML数据的性能的机制
- Patent Title: Mechanism for improving performance on XML over XML data using path subsetting
- Patent Title (中): 使用路径子集提高XML数据的性能的机制
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Application No.: US11401613Application Date: 2006-04-10
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Publication No.: US07885980B2Publication Date: 2011-02-08
- Inventor: Asha Tarachandani , Sivasankaran Chandrasekar , Nipun Agarwal , Eric Sedlar , Ravi Murthy , Anh-Tuan Tran
- Applicant: Asha Tarachandani , Sivasankaran Chandrasekar , Nipun Agarwal , Eric Sedlar , Ravi Murthy , Anh-Tuan Tran
- Applicant Address: US CA Redwood Shores
- Assignee: Oracle International Corporation
- Current Assignee: Oracle International Corporation
- Current Assignee Address: US CA Redwood Shores
- Agency: Hickman Palermo Truong & Becker LLP
- Main IPC: G06F17/30
- IPC: G06F17/30

Abstract:
Techniques are provided for indexing XML documents using path subsetting. According to one embodiment, a PATH table created for storing one row for each indexed node of the XML documents using user-defined criteria. The user-defined criteria are used to determine which nodes of XML documents to included in The PATH TABLE. The PATH table row for a node includes (1) information for locating the XML document that contains the node, (2) information that identifies the path of the node, and (3) information that identifies the position of the node within the hierarchical structure of the XML document that contains the node. Use of the user defined criteria is transparent to any query improves DML indexes overhead costs.
Public/Granted literature
- US20060184551A1 Mechanism for improving performance on XML over XML data using path subsetting Public/Granted day:2006-08-17
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