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BR9804282A - Método e aparelho para realizar uma consulta de ligação em um sistema de base de dados. - Google Patents

Método e aparelho para realizar uma consulta de ligação em um sistema de base de dados.

Info

Publication number
BR9804282A
BR9804282A BR9804282-3A BR9804282A BR9804282A BR 9804282 A BR9804282 A BR 9804282A BR 9804282 A BR9804282 A BR 9804282A BR 9804282 A BR9804282 A BR 9804282A
Authority
BR
Brazil
Prior art keywords
database system
fragments
record
connection query
fragment
Prior art date
Application number
BR9804282-3A
Other languages
English (en)
Inventor
Murali M Krishna
Anurag Kashyap
Robert Howard Gerber
Paul Sherwood Taylor
Scott Alan Shurts
Shengsong Ni
Prakash Sundaresan
Original Assignee
Informix Software Inc
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 Informix Software Inc filed Critical Informix Software Inc
Publication of BR9804282A publication Critical patent/BR9804282A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2455—Query execution
    • G06F16/24553—Query execution of query operations
    • G06F16/24561—Intermediate data storage techniques for performance improvement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2455—Query execution
    • G06F16/24553—Query execution of query operations
    • G06F16/24558—Binary matching operations
    • G06F16/2456—Join operations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99932—Access augmentation or optimizing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99934—Query formulation, input preparation, or translation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99935—Query augmenting and refining, e.g. inexact access

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Patente de Invenção:<B>"MéTODO E APARELHO PARA REALIZAR UMA CONSULTA DE LIGAçãO EM UM SISTEMA DE BASE DE DADOS"<D>. Método implementado por computador para gerar uma resposta para uma ligação. Duas tabelas são divididas em fragmentos. Um mapa de fragmentos de ligação identifica, para cada respectivo fragmento da primeira tabela, os fragmentos da segunda tabela que contêm um registro que satisfaz o predicado de ligação com um registro do respectivo fragmento da primeira tabela. O mapa é usado para eliminar fragmentos que não podem satisfazer o predicado de ligação.
BR9804282-3A 1997-04-07 1998-04-06 Método e aparelho para realizar uma consulta de ligação em um sistema de base de dados. BR9804282A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/833,519 US5987453A (en) 1997-04-07 1997-04-07 Method and apparatus for performing a join query in a database system

Publications (1)

Publication Number Publication Date
BR9804282A true BR9804282A (pt) 1999-11-16

Family

ID=25264637

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804282-3A BR9804282A (pt) 1997-04-07 1998-04-06 Método e aparelho para realizar uma consulta de ligação em um sistema de base de dados.

Country Status (7)

Country Link
US (1) US5987453A (pt)
EP (1) EP0877327B1 (pt)
JP (1) JP4866495B2 (pt)
AU (1) AU752283B2 (pt)
BR (1) BR9804282A (pt)
CA (1) CA2232938C (pt)
DE (1) DE69839747D1 (pt)

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Also Published As

Publication number Publication date
US5987453A (en) 1999-11-16
CA2232938C (en) 2006-07-04
DE69839747D1 (de) 2008-09-04
AU5943798A (en) 1998-10-08
JP4866495B2 (ja) 2012-02-01
EP0877327A3 (en) 2000-09-06
EP0877327A2 (en) 1998-11-11
CA2232938A1 (en) 1998-10-07
AU752283B2 (en) 2002-09-12
JPH10320423A (ja) 1998-12-04
MX9802587A (es) 1998-12-31
EP0877327B1 (en) 2008-07-23

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A,6A,7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1888 DE 13/03/2007.