Column masking of tables
US7310647B2 · kind B2 · utility
10Cited by
44References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2004 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Dec 6, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99942
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Returning rows having column values masked is disclosed. In response to receiving a database command, a modified database command is created that specifies whether to mask a value by returning a mask of the value instead of the value.In an embodiment, the condition expression is included in a policy function that is referenced by a policy. In an embodiment, the policy determines how the condition expressions are used. The condition expression may be used to determine which column values to mask. The condition expression may also be used to filter which rows are returned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.