US Patent Application 20080275919 - INDEX MAINTENANCE FOR OPERATIONS INVOLVING INDEXED XML DATA

Application 20080275919 Filed on July 15, 2008. Published on November 6, 2008

Abstract Claims Description Full Text

Inventors

Murthy, Ravi
Chandrasekaran, Sivasankaran
Thusoo, Ashish
Agarwal, Nipun
Sedlar, Eric

Assignee

Oracle International Corporation

US Class

707/200FILE OR DATABASE MAINTENANCE

Attorney, Agent or Firm

HICKMAN PALERMO TRUONG & BECKER/ORACLE

International Class

G06F 17/30

Issued Patent Number:

7921101

Abstract text

A method and system are provided for maintaining an XML index in response to piece-wise modifications on indexed XML documents. The database server that manages the XML index determines which nodes are involved in the piece-wise modifications, and updates the XML index based on only those nodes. Index entries for nodes not involved in the piece-wise modifications remain unchanged.

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