Milind S Joshi, 55Madison, WI
Milind Joshi Phones & Addresses
Madison, WI
Fitchburg, WI
Troy, MI
10515 Evans St, Omaha, NE 68134 402-9649390
5170 Anton Dr Apt 1, Fitchburg, WI 53719 608-2748319
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Machine Operators, Assemblers, and Inspectors Occupations
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Milind Joshi
Milind Joshi
Milind Joshi
Location:
United States
Milind Joshi
Location:
United States
Publications & IP owners
Us Patents
Performing Parallel Joins On Distributed Database Data
US Patent:
8473483, Jun 25, 2013
Filed:
Jun 7, 2011
Appl. No.:
13/154911
Inventors:
Nikhil Teletia - Madison WI, US
Alan Dale Halverson - Verona WI, US
José A. Blakeley - Redmond WA, US
Milind Madhukar Joshi - Redmond WA, US
Jose Aguilar Saborit - Dana Point CA, US
Alan Dale Halverson - Verona WI, US
José A. Blakeley - Redmond WA, US
Milind Madhukar Joshi - Redmond WA, US
Jose Aguilar Saborit - Dana Point CA, US
Assignee:
Microsoft Corporation - Redmond WA
International Classification:
G06F 17/30
US Classification:
707714, 707764
Abstract:
The present invention extends to methods, systems, and computer program products for performing parallel joins on distributed database data. Embodiments of the invention include a phased semi-join reduction strategy using replication and shuffle operations to join a first and a second data source. A filter building phase uses replication and pushes down a “Distinct” (e. g. , SQL) operator to produce a list of join keys for the first data source (one side of the join). A shuffle phase for the second data source is modified to join to the key list produced in the first phase as a row filtering mechanism. A join phase then joins the first and second data sources.
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