Dynamic partition enhanced joining

Details Dynamic partition enhanced joining Dynamic partition enhanced joining

2008-01-15

2008-01-15

Mofiz, Apu (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

10862686

ABSTRACT:
Methods, computer programs, and database systems for performing a database query that includes a join on an equality condition are disclosed. The method includes defining two or more first-table partitions and two or more corresponding second-table partitions. The method includes performing the join on the first-table partition and the second-table partition, storing the result, and merging the results.

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patent: 6505189 (2003-01-01), On Au et al.
patent: 2003/0074348 (2003-04-01), Sinclair et al.
patent: 2004/0260684 (2004-12-01), Agrawal et al.

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