Inventor · Los Gatos, CA, US

Roberta Jo Cochrane

34Patents
22h-index
63Co-inventors
88Inventor score

Filing activity: Feb 10, 1995 → Jan 2, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6081801A Shared nothing parallel execution of procedural constructs in SQL Emerging Cross-Sectional Technologies 198 Expired
US6339769B1 Query optimization by transparently altering properties of relational tables using materialized views Emerging Cross-Sectional Technologies 144 Expired
US5873075A Synchronization of SQL actions in a relational database system Emerging Cross-Sectional Technologies 135 Expired
US6453314B1 System and method for selective incremental deferred constraint processing after bulk loading data Emerging Cross-Sectional Technologies 131 Expired
US5546576A Query optimizer system that detects and prevents mutating table violations of database integrity in a query before execution plan generation Emerging Cross-Sectional Technologies 124 Expired
US6546402B1 System and method for asynchronous view maintenance Emerging Cross-Sectional Technologies 121 Expired
US5706494A System and method for constraint checking bulk data in a database Emerging Cross-Sectional Technologies 118 Expired
US7020649B2 System and method for incrementally maintaining non-distributive aggregate functions in a relational database Emerging Cross-Sectional Technologies 114 Expired
US5930795A Supporting dynamic tables in SQL query compilers Physics 105 Expired
US6983291B1 Incremental maintenance of aggregated and join summary tables Physics 78 Expired
US5963936A Query processing system that computes GROUPING SETS, ROLLUP, and CUBE with a reduced number of GROUP BYs in a query graph model Emerging Cross-Sectional Technologies 62 Expired
US6460027B1 Automatic recognition and rerouting of queries for optimal performance Emerging Cross-Sectional Technologies 54 Expired
US7007006B2 Method for recommending indexes and materialized views for a database workload Emerging Cross-Sectional Technologies 51 Expired
US6847962B1 Analyzing, optimizing and rewriting queries using matching and compensation between query and automatic summary tables Emerging Cross-Sectional Technologies 47 Expired
US6763352B2 Incremental maintenance of summary tables with complex grouping expressions Emerging Cross-Sectional Technologies 43 Expired
US6581205B1 Intelligent compilation of materialized view maintenance for query processing systems Emerging Cross-Sectional Technologies 39 Expired
US7240054B2 Techniques to preserve data constraints and referential integrity in asynchronous transactional replication of relational tables Emerging Cross-Sectional Technologies 38 Expired
US5987455A Intelligent compilation of procedural functions for query processing systems Emerging Cross-Sectional Technologies 36 Expired
US6496828B1 Support for summary tables in a heterogeneous database environment Emerging Cross-Sectional Technologies 35 Expired
US7315852B2 XPath containment for index and materialized view matching Emerging Cross-Sectional Technologies 30 Expired
US6560594B2 Cube indices for relational database management systems Emerging Cross-Sectional Technologies 29 Expired
US5963934A Intelligent compilation of scripting language for query processing systems Emerging Cross-Sectional Technologies 28 Expired
US7165063B2 Context quantifier transformation in XML query rewrite Emerging Cross-Sectional Technologies 20 Expired
US7167853B2 Matching and compensation tests for optimizing correlated subqueries within query using automatic summary tables Emerging Cross-Sectional Technologies 13 Expired
US6532470B1 Support for summary tables in a database system that does not otherwise support summary tables Emerging Cross-Sectional Technologies 8 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.