| 发明名称 |
ADAPTIVELY REORDERING JOINS DURING QUERY EXECUTION |
| 摘要 |
A method is disclosed for executing a predetermined query plan, the method comprising: executing a portion of the query plan; providing a reordered query plan; comparing ranking metrics for the query plans; and executing the query plan having the lower ranking metric.
|
| 申请公布号 |
US2009070313(A1) |
申请公布日期 |
2009.03.12 |
| 申请号 |
US20070852784 |
申请日期 |
2007.09.10 |
| 申请人 |
BEYER KEVIN SCOTT;COLBY LATHA SANKAR;LI QUANZHONG;LOHMAN GUY MARING;MARKL VOLKER GERHARD;SHAO MINGLONG |
发明人 |
BEYER KEVIN SCOTT;COLBY LATHA SANKAR;LI QUANZHONG;LOHMAN GUY MARING;MARKL VOLKER GERHARD;SHAO MINGLONG |
| 分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
