Join processor for a relational database, using multiple auxilia

Details Join processor for a relational database, using multiple auxilia Join processor for a relational database, using multiple auxilia

1990-08-29

1993-09-21

Lee, Thomas C.

Boots, shoes, and leggings

3642834, 3642824, 3642821, 3642592, 3642591, 364259, 3642303, 364230, 364DIG2, G06F 724

Patent

active

052476626

ABSTRACT:
A join processor for relational databases, which includes a main processor ( 1) for processing information; a main memory (2) connected to the main processor to store information; a plurality of auxiliary processors (3) controlled by the main processor; a plurality of auxiliary memories (4) each connected to the corresponding auxiliary processor; and a device for enabling said auxiliary processors to perform in parallel dividing and storing relations of relational databases in the auxiliary memories in units of record and extracting from the auxiliary memories and sorting join fields of the relations to be joined.

REFERENCES:
patent: 4769772 (1988-09-01), Dwyer
patent: 4901229 (1990-02-01), Tashiro et al.
patent: 4925311 (1990-05-01), Neches et al.
patent: 4967341 (1990-10-01), Yamamoto et al.
patent: 5006978 (1991-04-01), Neches
patent: 5121494 (1992-06-01), Dias et al.
patent: 5166674 (1992-11-01), Baum et al.
patent: 5179699 (1993-01-01), Iyer et al.
patent: 5191578 (1993-03-01), Lee

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