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Inventor:
Corvinelli; Vincent
Address:
Mississauga, CA
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
8126872 Methods of cost estimation using partially applied predicates February 28, 2012
In accordance with aspects of the present invention, provided are methods for incrementally estimating the cardinality of a derived relation including statistically correlated partially applicable predicates for a range-partitioned table. During the generation of a QEP a cardinality
8051058 System for estimating cardinality in a database system November 1, 2011
A system for estimating cardinalities for a plurality of columns in a database system is disclosed. The system include obtaining statistics collected for the plurality of columns. A first portion of the statistics indicates at least one relationship between at least a portion of the
7478083 Method and system for estimating cardinality in a database system January 13, 2009
A method and system for estimating cardinalities for a plurality of columns in a database system is disclosed. The method and system include obtaining statistics collected for the plurality of columns. A first portion of the statistics indicates at least one relationship between at l
7461050 Methods of cost estimation using partially applied predicates December 2, 2008
In accordance with aspects of the present invention, provided are methods for incrementally estimating the cardinality of a derived relation including statistically correlated partially applicable predicates for a range-partitioned table. During the generation of a QEP a cardinality










 
 
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