Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608904 | Method and apparatus for processing and optimizing queries having joins between structured data and text data | Umeshwar Dayal, Tak W. Yan | 1997-03-04 |
| 5598559 | Method and apparatus for optimizing queries having group-by operators | — | 1997-01-28 |