Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010516 | Method and system for rowcount estimation with multi-column statistics and histograms | — | 2006-03-07 |
| 6330552 | Database query cost model optimizer | Christopher M. Farrar, Pedro Celis, Diana L. Shak, Jay Vaishnav, Michael J. Skarpelos | 2001-12-11 |
| 6263345 | Histogram synthesis modeler for a database query optimizer | Christopher M. Farrar, Pedro Celis, Diana L. Shak | 2001-07-17 |
| 6205441 | System and method for reducing compile time in a top down rule based system using rule heuristics based upon the predicted resulting data flow | Awny K. Al-Omari, Marek J. Fridrich | 2001-03-20 |
| 5778354 | Database management system with improved indexed accessing | David W. Birdsall, Rohit Jain, Hedieh Yaghmai | 1998-07-07 |