Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135719 | Automatic partitioning of materialized views | Rafi Ahmed, Andrew Witkowski | 2024-11-05 |
| 11615107 | Automatic generation of materialized views | Rafi Ahmed, Andrew Witkowski | 2023-03-28 |
| 11086868 | Materialized view rewrite technique for one-sided outer-join queries | Rafi Ahmed, Andrew Witkowski | 2021-08-10 |
| 8204876 | Dynamic materialized view ranging | John Raitto | 2012-06-19 |
| 7930297 | Materialized view maintenance and change tracking | Tsae-Feng Yu, John Raitto, Bhujanga Panchapagesan, Shilpa Lawande | 2011-04-19 |
| 7440963 | Rewriting a query to use a set of materialized views and database objects | Bhujanga Panchapagesan, Tsae-Feng Yu, John Raitto | 2008-10-21 |
| 6496819 | Rewriting a query in terms of a summary based on functional dependencies and join backs, and based on join derivability | James L. Finnerty, Mohamed Ziauddin, Andrew Witkowski | 2002-12-17 |
| 6477525 | Rewriting a query in terms of a summary based on one-to-one and one-to-many losslessness of joins | James L. Finnerty, Mohamed Ziauddin, Andrew Witkowski | 2002-11-05 |
| 6345272 | Rewriting queries to access materialized views that group along an ordered dimension | Andrew Witkowski, Mohamed Ziauddin | 2002-02-05 |
| 6341281 | Database system with methods for optimizing performance of correlated subqueries by reusing invariant results of operator tree | Roger MacNicol, Steven A. Kirk, Jun Rao, Katherine Tsouya Yang | 2002-01-22 |