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Ting Yu Leung

IBM

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Publication

Featured researches published by Ting Yu Leung.

Archive | 1997

Optimization of correlated SQL queries in a relational database management system

Michelle Mei-Chiou Jou; Ting Yu Leung; Mir Hamid Pirahesh

Archive | 2000

Optimizing database queries using query execution plans derived from automatic summary table determining cost based queries

Ting Yu Leung; David E. Simmen; Yang Sun

Archive | 1998

Evaluation of existential and universal subquery in a relational database management system for increased efficiency

Ting Yu Leung; Alex Chak-tsang Lui; Mir Hamid Pirahesh; Tuong Chanh Truong

Archive | 1998

Query optimization by transparently altering properties of relational tables using materialized views

Roberta Jo Cochrane; George Lapis; Ting Yu Leung; Mir Hamid Pirahesh; Monica Sachiye Urata; Richard S. Sidle; David E. Simmen; Calisto Zuzarte

Archive | 1999

Parallel query optimization strategies for replicated and partitioned tables

Ting Yu Leung; Mir Hamid Pirahesh; David E. Simmen; Tuong Chanh Truong

Archive | 1997

Efficient implementation of full outer join and anti-join

Josephine M. Cheng; Ting Yu Leung; Mir Hamid Pirahesh

Archive | 2000

Method of optimizing a query having an existi subquery and a not-exists subquery

Ting Yu Leung; Tuong Chanh Truong; Monica Sachiye Urata

Archive | 2000

Method of optimizing SQL queries where a predicate matches nullable operands

Ting Yu Leung; Tuong Chanh Truong

Archive | 1998

Automatic recognition and rerouting of queries for optimal performance

Roberta Jo Cochrane; George Lapis; Ting Yu Leung; Mir Hamid Pirahesh; Monica Sachiye Urata

Archive | 1999

Support for summary tables in a heterogeneous database environment

Roberta Jo Cochrane; James C. Kleewein; Ting Yu Leung; Mir Hamid Pirahesh; Narayana Subramanian; Shivakumar Venkataraman

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Mir Hamid Pirahesh

IBM

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Roberta Jo Cochrane

IBM

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Monica Sachiye Urata

IBM

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David E. Simmen

IBM

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Tuong Chanh Truong

IBM

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George Lapis

IBM

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James C. Kleewein

IBM

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Richard S. Sidle

IBM

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Yang Sun

IBM

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Alex Chak-tsang Lui

IBM

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