Compressing decimal types
US7293032B1 · kind B1 · utility
0Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2002 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Jun 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99942
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, computer program, database system and data structure are disclosed for compressing a decimal type field in a database including one or more tables. Each of the one or more tables includes one or more rows. Each of the one or more rows includes an instance of the decimal type field. Space is allocated in one of P amounts to an instance of the decimal type field in a row, the amount being chosen based on the size of the value being stored in the instance of the decimal type field. One or more presence bits are set in the row to identify the amount of space allocated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.