Method and Apparatus for Organizing Hierarchical Data in a Relational Database
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United States of America Patent
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Issued Date -
Mar 10, 2011
app pub date -
Sep 4, 2009
filing date -
Sep 4, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A relational database is provided with a plurality of data entries stored in the database. The data entries have a hierarchical relationship. The data entries are assigned a real number, unique identifier, which can be calculated using a convergent series, capable of locating each data entry in the hierarchical structure. Each data entry is assigned a float type, level value, identifying the data entries hierarchical level in the structure. The data entries are also assigned an family value defining a hierarchical relationship with another data entry. The invented method allows for retrieving a sub-tree of any data entry by comparing two real numbers, and adding new data entries or a sub-tree without making changes to other data entries.
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