Join factorization of union/union all queries

United States of America Patent

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Jan 5, 2010
Grant Date
Sep 20, 2007
app pub date
Mar 8, 2007
filing date
Mar 15, 2006

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Abstract

are three tables. A given query may be rewritten in many alternate ways using join factorization. Evaluating each alternative can be expensive. Therefore, the alternatives are generated and evaluated in a way that minimizes the cost of evaluating the alternatives.

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ORACLE INTERNATIONAL CORPORATION

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G06F:ELECTRIC DIGITAL DATA PROCESSING

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Ahmed, Rafi	Fremont, US	71	1582
Cruanes, Thierry	Foster City, US	292	1987
Lee, Allison	Sunnyvale, US	15	229
Su, Hong	Foster City, US	40	663
Zait, Mohamed	San Jose, US	61	2325

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Join factorization of union/union all queries

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United States of America Patent

11716010

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PATENT NO	7644062
APP PUB NO	20070219969A1
SERIAL NO	11716010
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 05, 2010	US,7644062,B2 US7644062B2	GRANTED PATENT AS SECOND PUBLICATION
September 20, 2007	US,20070219969,A1 US20070219969A1	FIRST PUBLISHED PATENT APPLICATION

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11716010

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