JPS6433625A - Retrieval processing system for forward compiled file - Google Patents
Retrieval processing system for forward compiled fileInfo
- Publication number
- JPS6433625A JPS6433625A JP62190990A JP19099087A JPS6433625A JP S6433625 A JPS6433625 A JP S6433625A JP 62190990 A JP62190990 A JP 62190990A JP 19099087 A JP19099087 A JP 19099087A JP S6433625 A JPS6433625 A JP S6433625A
- Authority
- JP
- Japan
- Prior art keywords
- retrieving
- file
- records
- sorted
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To improve the retrieving response by inhibiting the reading operations of the records set in a range except the one for the retrieving conditional value designated by a retrieving key in case the records of a forward compiled file (SAM file) are sorted by the items of the retrieving key. CONSTITUTION:The attribute information is added to one of defining information on a data base 4 to show whether the records of a forward compiled file (SAM file) 5 are sorted or not. The reference is given to said attribute information when the records of the file 5 are retrieved. Then the retrieving condition designation value is checked for the retrieving key corresponding to the relevant sort key when the records of the file 5 are sorted. Then only the records that have the values set within a range decided by the designation value and the retrieving conditions are decided. As a result, the deterioration of the retrieving response can be avoided even with a large scale file 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190990A JPS6433625A (en) | 1987-07-30 | 1987-07-30 | Retrieval processing system for forward compiled file |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190990A JPS6433625A (en) | 1987-07-30 | 1987-07-30 | Retrieval processing system for forward compiled file |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6433625A true JPS6433625A (en) | 1989-02-03 |
Family
ID=16267030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62190990A Pending JPS6433625A (en) | 1987-07-30 | 1987-07-30 | Retrieval processing system for forward compiled file |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6433625A (en) |
-
1987
- 1987-07-30 JP JP62190990A patent/JPS6433625A/en active Pending
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