Method and system for aggregation subquery join elimination

Details Method and system for aggregation subquery join elimination Method and system for aggregation subquery join elimination

G - Physics

06

F

G06F 17/30 (2006.01) G06F 7/00 (2006.01)

Patent

CA 2427202

A method for use with an information retrieval system, in which the method is ued for transforming a database statement containing a first subquery and a second subquery joined together, the first subquery including a group by operation over a child subquery, the method comprising removing the first subquery from the database statement thereby removing the join between the first subquery and the second subquery.

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