Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496819 | Rewriting a query in terms of a summary based on functional dependencies and join backs, and based on join derivability | Randall Bello, 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 | Randall Bello, Mohamed Ziauddin, Andrew Witkowski | 2002-11-05 |