Query and change propagation scheduling for heterogeneous database systems

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United States of America Patent

PATENT NO 11475006
APP PUB NO 20180157710A1
SERIAL NO

15368345

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Abstract

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Techniques are presented herein for efficient query processing and data change propagation at a secondary database system. The techniques involve determining execution costs for executing a query at a primary DBMS and for executing the query at an offload DBMS. The cost for executing the query at the offload DBMS includes the cost of propagating changes to database objects required by the query to the offload DBMS. Based on the execution cost, the query is sent to either the primary DBMS or the offload DBMS.

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Patent Owner(s)

  • ORACLE INTERNATIONAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guirguis, Shenoda San Jose, US 7 180
Petride, Sabina Tracy, US 28 373

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