| 发明名称 |
Automatic tuning of undo retention |
| 摘要 |
A method and apparatus for data recovery are disclosed. A plurality of queries executing in a database system are tracked. A query with a longest duration is selected and undo retention duration is calculated for supporting the longest query.
|
| 申请公布号 |
US2005256849(A1) |
申请公布日期 |
2005.11.17 |
| 申请号 |
US20040846099 |
申请日期 |
2004.05.13 |
| 申请人 |
ORACLE INTERNATIONAL CORPORATION |
发明人 |
KRISHNASWAMY VASUDHA;GANESH AMIT |
| 分类号 |
G06F7/00;G06F17/30;(IPC1-7):G06F7/00 |
主分类号 |
G06F7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
