Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718320 | Schema mapping system and method | Narayana Subramanian | 2004-04-06 |
| 6615203 | Method, computer program product, and system for pushdown analysis during query plan generation | Eileen Tien Lin, Tina Louise Mukai, Tian Zhang | 2003-09-02 |
| 6546381 | Query optimization system and method | Narayana Subramanian | 2003-04-08 |
| 6526403 | Method, computer program product, and system for rewriting database queries in a heterogenous environment | Eileen Tien Lin, Tina Louise Mukai, Tian Zhang | 2003-02-25 |
| 6496828 | Support for summary tables in a heterogeneous database environment | Roberta Jo Cochrane, James C. Kleewein, Ting Yu Leung, Mir Hamid Pirahesh, Narayana Subramanian | 2002-12-17 |
| 6275818 | Cost based optimization of decision support queries using transient views | Narayana Subramanian | 2001-08-14 |
| 5953719 | Heterogeneous database system with dynamic commit procedure control | James C. Kleewein, Tony Kuen Lee, Steven John Watts | 1999-09-14 |
| 5943666 | Method and apparatus for optimizing queries across heterogeneous databases | James C. Kleewein, Eileen Tien Lin, Tina Louise Mukai | 1999-08-24 |
| 5903887 | Method and apparatus for caching result sets from queries to a remote database in a heterogeneous database system | James C. Kleewein, Eileen Tien Lin, Hemant Maheshwari | 1999-05-11 |