System and method for reducing location conflicts in a database

Details System and method for reducing location conflicts in a database System and method for reducing location conflicts in a database

1998-06-23

2000-12-19

Homere, Jean R.

Data processing: database and file management or data structures

Database design

Data structure types

707 2, 707201, G06F 1730

Patent

active

061637777

ABSTRACT:
The present invention is embodied in a system and method for reducing the likelihood of the location conflicts in a system with a database of records having an initial size. A logical location of each record is dependent upon data contained in each record and the database size and wherein a change in the database size by a resizing factor creates a likelihood of a location conflict between two records. The present invention reduces the likelihood of the location conflict by maintaining a first list of unused records, wherein the first list contains unused records that, if used, would not have location conflicts with any record currently used and would not have location conflicts with any other records contained in the first list. Also, a second list of unused records is maintained, wherein the second list contains unused records that are not contained in the first list. An unused record from the first list is selected if the first list is not empty when a datum is added to the database and an unused record from the second list is selected only if the first list is empty when a datum is added to the database.

REFERENCES:
patent: 5375241 (1994-12-01), Walsh
patent: 5761667 (1998-06-01), Koeppen
patent: 5802590 (1998-09-01), Draves
patent: 5806074 (1998-09-01), Souder et al.
patent: 5862325 (1999-01-01), Reed et al.
patent: 5909580 (1999-06-01), Crelier et al.
patent: 5943676 (1999-08-01), Boothby
patent: 6029160 (2000-02-01), Cabrera et al.

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