Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105020 | System and method for identifying and constructing star joins for execution by bitmap ANDing | Bruce G. Lindsay, Eugene J. Shekita, Kaarel Truuvert | 2000-08-15 |
| 6092062 | Relational database query optimization to perform query evaluation plan, pruning based on the partition properties | Guy M. Lohman, Eugene J. Shekita, Monica Sachiye Urata | 2000-07-18 |
| 6085189 | Database system and method for supporting current of cursor updates and deletes from a select query from one or more updatable tables in single node and MPP environments | Mir Hamid Pirahesh, Tuong Chanh Truong | 2000-07-04 |
| 6081801 | Shared nothing parallel execution of procedural constructs in SQL | Roberta Jo Cochrane, George Lapis, Mir Hamid Pirahesh, Richard S. Sidle, Tuong Chanh Truong +1 more | 2000-06-27 |
| 5960426 | Database system and method for supporting current of cursor updates and deletes from a select query from one or more updatable tables in single node and mpp environments | Mir Hamid Pirahesh, Tuong Chanh Truong | 1999-09-28 |
| 5960428 | Star/join query optimization | Bruce G. Lindsay, Guy M. Lohman, Mir Hamid Pirahesh, Eugene J. Shekita, Monica Sachiye Urata | 1999-09-28 |
| 5873075 | Synchronization of SQL actions in a relational database system | Roberta Jo Cochrane, George Lapis, Mir Hamid Pirahesh, Richard S. Sidle, Tuong Chanh Truong +1 more | 1999-02-16 |
| 5619692 | Semantic optimization of query order requirements using order detection by normalization in a query compiler system | Timothy R. Malkemus, Eugene J. Shekita | 1997-04-08 |
| 5615361 | Exploitation of uniqueness properties using a 1-tuple condition for the optimization of SQL queries | Ting Yu Leung, Mir Hamid Pirahesh, Lori G. Strain, Sanjai Tiwari | 1997-03-25 |
| 5590324 | Optimization of SQL queries using universal quantifiers, set intersection, and max/min aggregation in the presence of nullable columns | Ting Yu Leung, Mir Hamid Pirahesh, Michelle Meichiou Jou | 1996-12-31 |
| 5548754 | Optimization of SQL queries using early-out join transformations | Mir Hamid Pirahesh, Ting Yu Leung, Guy M. Lohman, Eugene J. Shekita | 1996-08-20 |
| 5548758 | Optimization of SQL queries using early-out join transformations of column-bound relational tables | Mir Hamid Pirahesh, Ting Yu Leung, Guy M. Lohman, Eugene J. Shekita | 1996-08-20 |