KR920014055A - Direct Approach in DBMS of Electronic Switching System - Google Patents

Direct Approach in DBMS of Electronic Switching System Download PDF

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Publication number
KR920014055A
KR920014055A KR1019900022811A KR900022811A KR920014055A KR 920014055 A KR920014055 A KR 920014055A KR 1019900022811 A KR1019900022811 A KR 1019900022811A KR 900022811 A KR900022811 A KR 900022811A KR 920014055 A KR920014055 A KR 920014055A
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KR
South Korea
Prior art keywords
relation
tuple
direct access
address
physical
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KR1019900022811A
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Korean (ko)
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KR930009855B1 (en
Inventor
이길행
우왕돈
김한경
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경상현
재단법인 한국전자통신연구소
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Priority to KR1019900022811A priority Critical patent/KR930009855B1/en
Publication of KR920014055A publication Critical patent/KR920014055A/en
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Publication of KR930009855B1 publication Critical patent/KR930009855B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

내용 없음No content

Description

전전자 교환기의 DBMS에서의 직접 접근방법Direct Approach in DBMS of Electronic Switching System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 내용을 포함하는 전전자 교환기의 분산 구조를 갖는 메인 메모리 DBMS의 분산 구조도, 제2도는 전전자 교환기 DBMS에서 직접 접근 방법을 구현하기 위한 블럭간의 구성과 메시지의 흐름을 나타내는 구조도.1 is a distributed structure diagram of a main memory DBMS having a distributed structure of an electronic switching system including the contents of the present invention, and FIG. 2 is a block diagram and a flow of messages for implementing a direct access method in the electronic switching system DBMS. Structure diagram.

Claims (4)

대형 컴퓨터내에 있는 데이타 조작어 처리기(EDMLP)가 데이타 베이스 관리 시스템(DBMS)에 접근하려는 응용프로그램을 입력으로 받아 데이타 베이스 접근에 필요한 정보를 생성하는 컴파일 과정과 컴파일을 완료하여 상기 대형 컴퓨터로 부터 전전자 교환기에 로딩함으로써 전전자 교환기의 프로세서로 직접 접근하기 위한 직접 접근 방법에 있어서, 상기 데이타 조작어 처리기(EDMLP)에서 직접 접근에 필요한 정보를 생성하는 제1단계, 상기 제1단계후 릴레이션 내에서 검색하고자 하는 튜플의 상대적인 거리를 구하는 제2단계, 상기 제2단계후 상기 릴레이션 시작 주소를 구하는 제3단계, 및 상기 제3단계후 검색하고자 하는 튜플의 물리적인 주소를 계산하는 제4단계로 구성된 것을 특징으로 하는 직접 접근 방법.The data manipulation word processor (EDMLP) in the large computer receives the application program to access the database management system (DBMS) as input and generates the information necessary to access the database. A direct access method for directly accessing a processor of an all-electronic exchange by loading an electronic exchange, comprising: a first step of generating information required for direct access in the data manipulation word processor (EDMLP), in a post-first relation A second step of obtaining a relative distance of the tuple to be searched, a third step of obtaining the relation start address after the second step, and a fourth step of calculating a physical address of the tuple to be searched after the third step Direct access method, characterized in that. 제1항에 있어서, 상기 제2단계중의 릴레이션내에서 원하는 튜플까지의 상대적인 거리를 구하는 방법은 검증절에서 사용된 키값과 릴레이션 튜플 크기를 곱하는 것으로 하는 것을 특징으로 하는 직접 접근 방법.The method of claim 1, wherein the method for obtaining a relative distance from the relation in the second step to a desired tuple is to multiply the key value used in the verification clause by the relation tuple size. 제1항에 있어서, 상기 제3단계중의 직접 접근 관리 테이블로 부터 릴레이션의 물리적인 시작 구조를 구하는 방법은 릴레이션이 순차 번호와 직접 접근 관리 테이블의 튜플 크기를 곱한 결과에 직접 접근 관리 테이블의 물리적인 시작 주소를 더하여 직접 접근 관리 테이블의 튜플 주소를 구하고 구해진 튜플 주소로 부터 릴레이션의 물리적인 시작구조를 구하는 것을 특징으로 하는 직접 접근 방법.The method of claim 1, wherein the physical start structure of the relation is obtained from the direct access management table in the third step. The physical result of the direct access management table is multiplied by the result of the relation multiplied by the sequence number and the tuple size of the direct access management table. Direct access method, wherein the tuple address of the direct access management table is obtained and the physical start structure of the relation is obtained from the obtained tuple address. 제1항에 있어서, 상기 제4단계중의 검색하고자 하는 튜플의 물리적인 주소를 구하는 방법은 상기 데이타 조작어 처리기에서 생성한 릴레이션 내에서 원하는 튜플까지의 상대적인 거리와 상기 3항에서 구해진 릴레이션의 물리적인 주소를 더하는 것으로 하는 것을 특징으로 하는 직접 접근 방법.The method of claim 1, wherein the method of obtaining a physical address of a tuple to be searched in the fourth step comprises: a relative distance from a relation generated by the data manipulation processor to a desired tuple and the physical relation of the relation obtained in claim 3. Direct access method characterized by adding the address of the. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900022811A 1990-12-31 1990-12-31 Direct access method of dbms KR930009855B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900022811A KR930009855B1 (en) 1990-12-31 1990-12-31 Direct access method of dbms

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Application Number Priority Date Filing Date Title
KR1019900022811A KR930009855B1 (en) 1990-12-31 1990-12-31 Direct access method of dbms

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KR920014055A true KR920014055A (en) 1992-07-30
KR930009855B1 KR930009855B1 (en) 1993-10-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100290623B1 (en) * 1999-02-24 2001-05-15 이계철 A method of controlling data of database

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100290623B1 (en) * 1999-02-24 2001-05-15 이계철 A method of controlling data of database

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KR930009855B1 (en) 1993-10-12

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