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Method and apparatus for database mapping of XML objects into a relational database

  • US 6,925,470 B1
  • Filed: 01/25/2002
  • Issued: 08/02/2005
  • Est. Priority Date: 01/25/2002
  • Status: Active Grant
First Claim
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1. A method for representing an extensible Markup Language (XML) data structure as a fixed set of tables in a relational database (RDB), the method comprising:

  • (a) inputting the XML data structure;

    (b) grouping at least one XML node and possibly any sub-node into a relationship selected from the group consisting of linked list, array of object, and chunk;

    (c) generating a fixed sized table for the grouping in (b);

    (d) if necessary, repeating (b) and (c) and creating references to any repeated groupings (b) and tables (c), until the XML data structure is completed; and

    (e) outputting the resulting fixed sized tables for use in a ROB.

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