Converting union commands to union all commands

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United States of America Patent

PATENT NO 8818987
APP PUB NO 20090182705A1
SERIAL NO

11972861

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Abstract

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In one aspect, a method is provided. The method includes: (1) identifying in a query of a database a union command involving data in the database that is mutually exclusive; and (2) changing the union command to a union all command.

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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
Barsness, Eric L Pine Island, US 290 2899
Santosuosso, John M Rochester, US 555 6452

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