JPS6433625A - Retrieval processing system for forward compiled file - Google Patents

Retrieval processing system for forward compiled file

Info

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
Application number
JP62190990A
Other languages
Japanese (ja)
Inventor
Manabu Matsumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62190990A priority Critical patent/JPS6433625A/en
Publication of JPS6433625A publication Critical patent/JPS6433625A/en
Pending legal-status Critical Current

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.
JP62190990A 1987-07-30 1987-07-30 Retrieval processing system for forward compiled file Pending JPS6433625A (en)

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)

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