System and method for query planning for execution using...

Details System and method for query planning for execution using... System and method for query planning for execution using...

G - Physics

06

Q

G06Q 10/06 (2012.01) G06F 17/30 (2006.01)

Patent

CA 2574695

A query processing coordination planning unit coordinates a query processing to obtain requested data from one or more data sources. The query processing coordination planning unit comprises a request preparation coordinator and a request execution coordinator. The request planning unit invokes one or more query operation providers in a conditional query processing sequence for translating a logical representation of the user request into a physical representation of a user request, and generates an execution plan expressed by the physical representation of a user request. The request execution coordinator executes the physical representation of the user request in accordance with the execution plan using the query operation providers.

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