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1999 Technical Reports

Semantic Query Optimization in IBM DB2: Initial Results

Jarek Gryz, Linqi Liu and Xiaoyan Qian

Technical Report CS-1999-01

York University

February 19, 1999


This report presents results of experiments over TPCD database in IBM DB2 testing four semantic query optimization techniques: join elimination, predic ate introduction, detection of unsatisfiable conditions, and predicate elimination.

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