Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11960479 | Processing iterative query constructs in relational databases | Yang Sun, Sofoklis Floratos, Jianjun Chen, Xiaodong Zhang | 2024-04-16 |
| 11940997 | Query processing using logical query steps having canonical forms | Ron-Chung Hu, Mingyi Zhang | 2024-03-26 |
| 10642834 | Pushing joins across a union | William J. McKenna | 2020-05-05 |
| 9720966 | Cardinality estimation for optimization of recursive or iterative database queries by databases | Dawit Seid | 2017-08-01 |
| 9552392 | Optimizing nested database queries that include windowing operations | — | 2017-01-24 |
| 9152670 | Estimating number of iterations or self joins required to evaluate iterative or recursive database queries | Dawit Seid | 2015-10-06 |
| 9146960 | Adaptive optimization of iterative or recursive query execution by database systems | Dawit Seid | 2015-09-29 |
| 8943040 | Using a table to track whether a dynamic partitioning condition evaluates to true | Ambuj Shatdal, B. Anantha Subramanian | 2015-01-27 |
| 8868545 | Techniques for optimizing outer joins | Yu Xu | 2014-10-21 |
| 8768916 | Multi level partitioning a fact table | — | 2014-07-01 |
| 8140521 | Performing SQL query optimization by simplifying sub-expressions | Stephen Sheldon, Arthur Vargas Lopes, Grace Kwan-On Au | 2012-03-20 |
| 7672926 | Method and system for updating value correlation optimizations | Paul Laurence Sinclair | 2010-03-02 |
| 7657567 | Method and system for rewriting a database query | Donald Reichart, Pradeep Sathyanarayan | 2010-02-02 |
| 7321891 | Processing database queries | — | 2008-01-22 |
| 7272591 | Method and system for updating value correlation optimizations | Paul Laurence Sinclair | 2007-09-18 |
| 7127457 | Method and system for executing database queries | — | 2006-10-24 |
| 6999967 | Semantically reducing the number of partitions involved in a join | Paul Laurence Sinclair | 2006-02-14 |
| 6990484 | Determining the satisfiability and transitive closure of conditions in a query | Curtis J. Ellmann | 2006-01-24 |
| 6865569 | Determining materialized view coverage | Hong Gui, Curt J. Ellmann, Grace Kwan-On Au | 2005-03-08 |
| 6662175 | Semantic query optimization using value correlation | Paul Laurence Sinclair | 2003-12-09 |
| 6643636 | Optimizing a query using a non-covering join index | Grace Kwan-On Au, Paul Laurence Sinclair | 2003-11-04 |
| 6505188 | Virtual join index for relational databases | Paul Laurence Sinclair, Chi-Kim Hoang | 2003-01-07 |