Leung; Ting Yu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leung; Ting Yu.The latest application filed is for "materialized views for database query optimization".

Company Profile

3.23.9

Leung; Ting Yu - San Jose CA
Leung; Ting Yu - Santa Clara CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Materialized Views For Database Query Optimization App 20210019318 - Leung; Ting Yu ; et al.	2021-01-21
Systems And Methods For Graph-based Query Analysis App 20200356599 - Xia; Yinglong ; et al.	2020-11-12
Predictive table pre-joins in large scale data management system using graph community detection Grant 10,528,563 - Xia , et al. J	2020-01-07
Predictive Table Pre-joins In Large Scale Data Management System Using Graph Community Detection App 20180173763 - Xia; Yinglong ; et al.	2018-06-21
Predicting Reference Frequency/urgency For Table Pre-loads In Large Scale Data Management System Using Graph Community Detection App 20180173755 - Xia; Yinglong ; et al.	2018-06-21
Optimizing scalar search in a text indexing and search server Grant 7,945,578 - Leung , et al. May 17, 2	2011-05-17
Optimizing Scalar Search In A Text Indexing And Search Server App 20090319485 - Leung; Ting Yu ; et al.	2009-12-24
Optimizing database queries using query execution plans derived from automatic summary table determining cost based queries Grant 7,080,062 - Leung , et al. July 18, 2	2006-07-18
Method of optimizing SQL queries where a predicate matches nullable operands Grant 6,996,557 - Leung , et al. February 7, 2	2006-02-07
Method, system, and program for accessing rows in one or more tables satisfying a search criteria Grant 6,856,996 - Chow , et al. February 15, 2	2005-02-15
Analyzing, optimizing and rewriting queries using matching and compensation between query and automatic summary tables Grant 6,847,962 - Cochrane , et al. January 25, 2	2005-01-25
Method of simplifying and optimizing scalar subqueries and derived tables that return exactly or at most one tuple Grant 6,826,562 - Leung , et al. November 30, 2	2004-11-30
Method for providing a system maintained materialized functionally dependent column for a database management system Grant 6,636,846 - Leung , et al. October 21, 2	2003-10-21
Parallel query optimization strategies for replicated and partitioned tables Grant 6,625,593 - Leung , et al. September 23, 2	2003-09-23
Method of optimally determining lossless joins Grant 6,601,063 - Koo , et al. July 29, 2	2003-07-29
Intelligent compilation of materialized view maintenance for query processing systems Grant 6,581,205 - Cochrane , et al. June 17, 2	2003-06-17
Query transformation and simplification for group by queries with rollup/grouping sets in relational database management systems Grant 6,574,623 - Leung , et al. June 3, 2	2003-06-03
Cube indices for relational database management systems Grant 6,560,594 - Cochrane , et al. May 6, 2	2003-05-06
Support for summary tables in a database system that does not otherwise support summary tables Grant 6,532,470 - Cochrane , et al. March 11, 2	2003-03-11
Method of optimizing a query having an existi subquery and a not-exists subquery Grant 6,529,896 - Leung , et al. March 4, 2	2003-03-04
Support for summary tables in a heterogeneous database environment Grant 6,496,828 - Cochrane , et al. December 17, 2	2002-12-17
Method of optimally determining lossless joins App 20020147714 - Koo, Fred ; et al.	2002-10-10
Method, system, and program for accessing rows in one or more tables satisfying a search criteria App 20020143751 - Chow, Jyh-Herng ; et al.	2002-10-03
Automatic recognition and rerouting of queries for optimal performance Grant 6,460,027 - Cochrane , et al. October 1, 2	2002-10-01
Cube Indices For Relational Database Management Systems App 20020138460 - COCHRANE, ROBERTA JO ; et al.	2002-09-26
Exploitation of subsumption in optimizing scalar subqueries Grant 6,339,768 - Leung , et al. January 15, 2	2002-01-15
Query simplification and optimization involving eliminating grouping column from group by operation corresponds to group by item that is constant Grant 6,339,770 - Leung , et al. January 15, 2	2002-01-15
Query optimization by transparently altering properties of relational tables using materialized views Grant 6,339,769 - Cochrane , et al. January 15, 2	2002-01-15
Evaluation of existential and universal subquery in a relational database management system for increased efficiency Grant 6,032,143 - Leung , et al. February 29, 2	2000-02-29
Evaluation of existential and universal subquery in a relational database management system for increased efficiency Grant 5,864,840 - Leung , et al. January 26, 1	1999-01-26
Optimization of correlated SQL queries in a relational database management system Grant 5,822,750 - Jou , et al. October 13, 1	1998-10-13

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