Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496828 | Support for summary tables in a heterogeneous database environment | Roberta Jo Cochrane, James C. Kleewein, Ting Yu Leung, Narayana Subramanian, Shivakumar Venkataraman | 2002-12-17 |
| 6460027 | Automatic recognition and rerouting of queries for optimal performance | Roberta Jo Cochrane, George Lapis, Ting Yu Leung, Monica Sachiye Urata | 2002-10-01 |
| 6453314 | System and method for selective incremental deferred constraint processing after bulk loading data | Petrus Chan, Roberta Jo Cochrane, Sam S. Lightstone, Richard S. Sidle, Tuong Chanh Truong +2 more | 2002-09-17 |
| 6421658 | Efficient implementation of typed view hierarchies for ORDBMS | Michael J. Carey, George Lapis, Serge Philippe Rielau, Bennet Vance | 2002-07-16 |
| 6339768 | Exploitation of subsumption in optimizing scalar subqueries | Ting Yu Leung | 2002-01-15 |
| 6339770 | Query simplification and optimization involving eliminating grouping column from group by operation corresponds to group by item that is constant | Ting Yu Leung | 2002-01-15 |
| 6339769 | Query optimization by transparently altering properties of relational tables using materialized views | Roberta Jo Cochrane, George Lapis, Ting Yu Leung, Monica Sachiye Urata, Richard S. Sidle +2 more | 2002-01-15 |