Method of recursive objects for representing hierarchies in relational database systems
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United States of America Patent
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Jun 16, 2009
Grant Date -
Apr 29, 2004
app pub date -
May 2, 2003
filing date -
May 9, 2002
priority date (Note) -
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Abstract
A method is described for creating and managing a two-level hierarchical data structure. Parent and child object relation tables, an aggregate relation table and a link relation table having records are created wherein each link relation record has an aggregate identity field and a child object identity field and the aggregate relation records have a parent object identity field pointing to a parent object relation record. The link relation records have an aggregate identity field pointing to an aggregate relation record and to a child object relation record whereby zero or more child object relation records are linked to a parent object record relation record.
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