Query processing management in a database management system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10565201
APP PUB NO 20180129708A1
SERIAL NO

15344431

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Abstract

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Disclosed aspects relate to query processing management in a database management system (DBMS). The DBMS may detect that a query has a set of subqueries. The DBMS may detect that the set of subqueries indicates a set of data structures. A lead data structure may be selected from the set of data structures using a selection criterion. A set of input columns may be identified from the lead data structure of the set of data structures. A set of output columns may be identified from the set of data structures other than the lead data structure. A hash data structure may be constructed using the set of input columns and the set of output columns. A cache may be built based on the hash data structure.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beavin, Thomas A Milpitas, US 32 300
Hao, Zhang Beijing, CN 3 17
Li, Shuo Beijing, CN 319 801
Wang, Xiaobo Beijing, CN 323 5250
Wei, Ke Wei Beijing, CN 42 167

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