| 发明名称 |
Set function calculation in a database |
| 摘要 |
A database system uses indexes to improve performance. The system can use one or more of the following: differentiated subfields for index clustering; set function calculations to reduce the amount of I/O; and/or using an inferred index in a circular table.
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| 申请公布号 |
US2008222089(A1) |
申请公布日期 |
2008.09.11 |
| 申请号 |
US20070715263 |
申请日期 |
2007.03.06 |
| 申请人 |
NITROSECURITY, INC. |
发明人 |
STEWART HOWARD D.;RUSSELL KENNETH;WHITTINGTON PAUL H. |
| 分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
| 代理机构 |
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