| 发明名称 |
DATABASES AND DATABASE INDEXES |
| 摘要 |
A database system uses indexes to improve performance. The system can use one or more of the following: differentiated sub fields for index clusterin g; set function calculations to reduce the amount of I/O; and/or using an in ferred index in a circular table.
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| 申请公布号 |
CA2680217(A1) |
申请公布日期 |
2008.09.12 |
| 申请号 |
CA20082680217 |
申请日期 |
2008.03.06 |
| 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 |
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