Inventor
LAPIS GEORGE
US11 patents
Patents
11 patentsUS6339769B1Jan 15, 2002
Query optimization by transparently altering properties of relational tables using materialized views
IBM190 citations99
US6460027B1Oct 1, 2002
Automatic recognition and rerouting of queries for optimal performance
IBM101 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
US6847962B1Jan 25, 2005
Analyzing, optimizing and rewriting queries using matching and compensation between query and automatic summary tables
IBM85 citations96
US6725212B2Apr 20, 2004
Platform-independent method and system for graphically presenting the evaluation of a query in a database management system
IBM129 citations96
US6560594B2May 6, 2003
Cube indices for relational database management systems
IBM56 citations96
US5963936AOct 5, 1999
Query processing system that computes GROUPING SETS, ROLLUP, and CUBE with a reduced number of GROUP BYs in a query graph model
IBM92 citations96
US6421658B1Jul 16, 2002
Efficient implementation of typed view hierarchies for ORDBMS
IBM58 citations94
US7167853B2Jan 23, 2007
Matching and compensation tests for optimizing correlated subqueries within query using automatic summary tables
IBM21 citations92
US7162505B2Jan 9, 2007
Classification of data for insertion into a database
IBM7 citations69