| 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 |
