Maintaining databases by means of hierarchical genealogical tabl

Details Maintaining databases by means of hierarchical genealogical tabl Maintaining databases by means of hierarchical genealogical tabl

1993-03-10

1995-11-14

Black, Thomas G.

Boots, shoes, and leggings

36441907, 364974, 3649743, 3649744, 3642832, 3642834, 364DIG1, 364DIG2, G06F 1730

Patent

active

054674719

ABSTRACT:
The present invention describes a system and method for maintaining databases. An ordered genealogy table is provided for implying hierarchical relations on an as-needed basis. The invention further provides relational search capabilities to a hierarchical database. The invention also allows a database that is maintained on a computer system in a hierarchical structure to be converted into a database that is maintained in a relational structure, and vice versa. In addition, the invention may be used with currently existing hierarchical and relational databases. The invention provides a plurality of records; a unique identifier for each of the records; a database for maintaining the records; and a table which contains one or more table entries, wherein each table entry contains a genealogy including the unique identifier of a particular record and the unique identifiers of any records that can be considered ancestors of that particular record in a hierarchy, and wherein the table entries are sorted in collating sequence according to their genealogies.

REFERENCES:
patent: 5062074 (1991-10-01), Kleinberger
patent: 5086504 (1992-02-01), Nemeth-Johannes et al.
patent: 5295256 (1994-03-01), Bapat
patent: 5295261 (1994-03-01), Simonetti
Korth & Silbertschatz, Database System Concepts, McGraw-Hill, (New York, 1986), pp. 44-105.

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