Inventor
URATA MONICA SACHIYE
US11 patents
Patents
11 patentsUS6339769B1Jan 15, 2002
Query optimization by transparently altering properties of relational tables using materialized views
IBM190 citations99
US6112198AAug 29, 2000
Optimization of data repartitioning during parallel query optimization
IBM335 citations99
US6460027B1Oct 1, 2002
Automatic recognition and rerouting of queries for optimal performance
IBM101 citations98
US6092062AJul 18, 2000
Relational database query optimization to perform query evaluation plan, pruning based on the partition properties
IBM334 citations98
US6081801AJun 27, 2000
Shared nothing parallel execution of procedural constructs in SQL
IBM269 citations98
US5873075AFeb 16, 1999
Synchronization of SQL actions in a relational database system
IBM190 citations98
US6529896B1Mar 4, 2003
Method of optimizing a query having an existi subquery and a not-exists subquery
IBM122 citations97
US6345267B1Feb 5, 2002
Method and system for look ahead query evaluation planning based on interesting partition properties
IBM94 citations97
US5960428ASep 28, 1999
Star/join query optimization
IBM119 citations97
US6847962B1Jan 25, 2005
Analyzing, optimizing and rewriting queries using matching and compensation between query and automatic summary tables
IBM85 citations96
US6826562B1Nov 30, 2004
Method of simplifying and optimizing scalar subqueries and derived tables that return exactly or at most one tuple
IBM54 citations92