Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7587383 | Redundant join elimination and sub-query elimination using subsumption | Ting Yu Leung | 2009-09-08 |
| 6983275 | Optimizing database query by generating, determining the type of derived predicate based on monotonicity of the column generating expression for each remaining inequality predicate in the list of unexamined predicates | Timothy R. Malkemus | 2006-01-03 |
| 6601063 | Method of optimally determining lossless joins | Ting Yu Leung | 2003-07-29 |
| 6438542 | Method of optimally determining lossless joins | Ting Yu Leung | 2002-08-20 |
| 5970495 | Method and apparatus for achieving uniform data distribution in a parallel database system | Chaitanya K. Baru | 1999-10-19 |
| 5878409 | Method and apparatus for implementing partial declustering in a parallel database system | Chaitanya K. Baru, Gilles L. Fecteau, Jo-anne Mona Louise Kirton, Lubor Kollar | 1999-03-02 |