Method for localizing execution of subqueries and...

Details Method for localizing execution of subqueries and... Method for localizing execution of subqueries and...

G - Physics

06

F

G06F 17/30 (2006.01)

Patent

CA 2159270

A method for localizing execution of subqueries and determining collocation of execution of subqueries in a shared- nothing database. The concept of compatible partitioning is used to localize database operations in order to eliminate excess processes and communication, and thereby improve response time and throughput for the database management system. The method reduces the number of process by reducing the number of nodes involved in processing a query and by combining multiple processes.

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