Database statistics based on transaction state

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United States of America Patent

PATENT NO 9697251
SERIAL NO

15244848

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Abstract

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A computer-implemented method for determining a query execution plan based on transaction state may include determining that a first set of database values in a database table are in a committed transaction state and that a second set of database values in the database table are in an uncommitted transaction state. In response to the determining, the first set of database values may have a first set of statistics generated and the second set of database values may have a second set of statistics generated. The first and second set of statistics may be for use in determining a query execution plan.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Konik, Rafal P Oronoco, US 139 859
Mittelstadt, Roger A Byron, US 132 971
Muras, Brian R Otsego, US 207 1660
Olstad, Chad A Rochester, US 30 108

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