Method for multi-field ordering of data base records with sequen

Details Method for multi-field ordering of data base records with sequen Method for multi-field ordering of data base records with sequen

1995-11-21

1998-09-08

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

707 3, 711170, 711202, G06F 1730

Patent

active

058060642

ABSTRACT:
A status variable and a sequence variable is associated with each field of a set of fields for multi-field ordering. The data base is ordered according to the sequence variables. The status variables are used to check for valid sequence variables. The sequence and status variables are reassigned if an invalid sequence value is detected.

REFERENCES:
patent: 4628483 (1986-12-01), Nelson
patent: 4809158 (1989-02-01), McCauley
patent: 5117495 (1992-05-01), Liu
patent: 5278987 (1994-01-01), Chaing et al.
patent: 5421007 (1995-05-01), Coleman et al.
patent: 5479657 (1995-12-01), Toyonaga et al.
patent: 5487166 (1996-01-01), Cossack
patent: 5551019 (1996-08-01), Izawa et al.

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