Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9424260 | Techniques for data assignment from an external distributed file system to a database management system | Yan Qi, Yu Xu, Jian Wen | 2016-08-23 |
| 9336270 | Techniques for accessing a parallel database system via external programs using vertical and/or horizontal partitioning | Yu Xu | 2016-05-10 |
| 9235590 | Selective data compression in a database system | Guilian Wang, Gary Roberts, Steven B. Cohen, John R. Catozzi | 2016-01-12 |
| 8938444 | Techniques for external application-directed data partitioning in data exporting from a database management system | Yu Xu | 2015-01-20 |
| 8832074 | System, method and computer-readable medium for dynamic skew avoidance for generic queries | Xin Zhou | 2014-09-09 |
| 8712994 | Techniques for accessing a parallel database system via external programs using vertical and/or horizontal partitioning | Yu Xu | 2014-04-29 |
| 8713057 | Techniques for data assignment from an external distributed file system to a database management system | Yan Qi, Yu Xu, Jian Wen | 2014-04-29 |
| 8600994 | Performing an outer join between a small table and a large table | Yu Xu | 2013-12-03 |
| 8510280 | System, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operations | Yu Xu, Xin Zhou | 2013-08-13 |
| 8234268 | System, method, and computer-readable medium for optimizing processing of distinct and aggregation queries on skewed data in a database system | Yu Xu | 2012-07-31 |
| 8234292 | System, method, and computer-readable medium for optimizing processing of queries featuring maximum or minimum equality conditions in a parallel processing system | Yu Xu | 2012-07-31 |
| 8150836 | System, method, and computer-readable medium for reducing row redistribution costs for parallel join operations | Yu Xu, Xin Zhou | 2012-04-03 |
| 8126905 | System, method, and computer-readable medium for optimizing the performance of outer joins | Yu Xu | 2012-02-28 |
| 8099409 | System, method, and computer-readable medium for duplication optimization for parallel join operations on similarly large skewed tables | Xin Zhou | 2012-01-17 |
| 7870123 | Database optimizer plan validation and characterizations | Bibhu Ranjan Priyadarshi, Grace Kwan-On Au | 2011-01-11 |
| 7386536 | Statistical representation of skewed data | Bhashyam Ramesh | 2008-06-10 |
| 6704724 | Parallel optimizer hints with a direct manipulation user interface | Curtis J. Ellmann | 2004-03-09 |
| 6618729 | Optimization of a star join operation using a bitmap index structure | Ramesh Bhashyam | 2003-09-09 |
| 5864842 | Optimization of SQL queries using hash star join operations | Donald Raymond Pederson | 1999-01-26 |