Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813032 | System and method for continuous destaging of changed data from a shared cache in a multisystem shared disk environment wherein castout interest is established in a hierarchical fashion | Inderpal S. Narang, James Zu-Chia Teng | 1998-09-22 |
| 5758145 | Method and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queries | Paramesh S. Desai, Piyush Goel, Peter Hoa, Fen-Ling Lin, Balakrishna Raghavendra Iyer +3 more | 1998-05-26 |
| 5752017 | Method and apparatus for executing complex SQL queries using projection operations | Piyush Goel, Balakrishna Ragmavendra Iyer | 1998-05-12 |
| 5751992 | Computer program product for continuous destaging of changed data from a shared cache in a multisystem shared disk environment wherein castout interest is established in a hierarchical fashion | Inderpal S. Narang, James Zu-Chia Teng | 1998-05-12 |
| 5724568 | Reordering complex SQL queries containing inner and outer join operations using hypergraphs and required sets | Piyush Goel, Balakrishna Ragmavendra Iyer | 1998-03-03 |
| 5701455 | Method and apparatus for reordering complex SQL queries using a modified generalized outer join operator | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-12-23 |
| 5701454 | Simplification of SQL queries using generalized inference propagation and generalized transitive closure | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-12-23 |
| 5696960 | Computer program product for enabling a computer to generate uniqueness information for optimizing an SQL query | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-12-09 |
| 5687362 | Enumerating projections in SQL queries containing outer and full outer joins in the presence of inner joins | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-11-11 |
| 5680603 | Method and apparatus for reordering complex SQL queries containing inner and outer join operations | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-10-21 |
| 5659728 | System and method for generating uniqueness information for optimizing an SQL query | Piyush Goel, Balakrishna Ragmavendra Iyer | 1997-08-19 |