Method and system for determination of data record order based o

Details Method and system for determination of data record order based o Method and system for determination of data record order based o

1984-05-01

1987-07-07

Williams, Archie E.

Boots, shoes, and leggings

364300, 3401462, G06F 722, G06F 1200

Patent

active

046791396

ABSTRACT:
A system and method for manipulating a plurality of data records. Each record is comprised of a plurality of bits and is identified by a unique record address value. A portion of each record comprises a keyfield consisting of one or more sub-keyfields, each having a different order of significance. The sub-keyfield value of greatest significance of each record is utilized to enter the unique record addresses into a column of a compressed matrix memory means in a logical row corresponding to the sub-keyfield value of that record. The column entries of the set compressed matrix memory locations are then arranged in order of row position, and the column entries derived from the same row are grouped together. The process is successively repeated, separately for each group of duplicate column entries, for the sub-keyfield value of next greatest significance of each record in the group as long as at least one group of duplicate column entries remain and all sub-keyfields have not been processed.

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