FR3098944B1 - Database query processing - Google Patents

Database query processing Download PDF

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Publication number
FR3098944B1
FR3098944B1 FR1907939A FR1907939A FR3098944B1 FR 3098944 B1 FR3098944 B1 FR 3098944B1 FR 1907939 A FR1907939 A FR 1907939A FR 1907939 A FR1907939 A FR 1907939A FR 3098944 B1 FR3098944 B1 FR 3098944B1
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France
Prior art keywords
database
subsystem
local
result
processed
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FR1907939A
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French (fr)
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FR3098944A1 (en
Inventor
David Dufour
Loic Cretin
Jerome Folli
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Amadeus SAS
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Amadeus SAS
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Priority to FR1907939A priority Critical patent/FR3098944B1/en
Priority to EP20185701.8A priority patent/EP3767487A1/en
Publication of FR3098944A1 publication Critical patent/FR3098944A1/en
Application granted granted Critical
Publication of FR3098944B1 publication Critical patent/FR3098944B1/en
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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
    • G06F16/2453—Query optimisation
    • G06F16/24534—Query rewriting; Transformation
    • G06F16/24539—Query rewriting; Transformation using cached or materialised query results

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  • 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)
  • Multi Processors (AREA)

Abstract

Les requêtes de base de données sont traitées dans un système de base de données distribuée comprenant un sous-système de base de données centrale et une pluralité de sous-systèmes de bases de données locales comprenant un premier sous-système de base de données locale. Le sous-système de base de données centrale reçoit une deuxième requête de base de données indiquant au moins un identifiant unique d’au moins un résultat de base de données d’une pluralité de résultats de base de données qui ont été stockés avec des identifiants uniques correspondants par le premier sous-système de base de données locale en réponse à une première requête de base de données reçue au premier sous-système de base de données locale. Ledit au moins un résultat de base de données identifié par ledit au moins un identifiant unique est récupéré du premier sous-système de base de données locale. Ledit au moins un résultat de base de données récupéré est traité et ledit au moins un résultat de base de données traité est stocké de façon persistante dans une base de données du sous-système de base de données centrale. Figure pour l’abrégé : Fig. 1Database queries are processed in a distributed database system including a central database subsystem and a plurality of local database subsystems including a first local database subsystem. The central database subsystem receives a second database query indicating at least one unique identifier of at least one database result of a plurality of database results that have been stored with identifiers unique matches by the first local database subsystem in response to a first database query received at the first local database subsystem. Said at least one database result identified by said at least one unique identifier is retrieved from the first local database subsystem. Said at least one retrieved database result is processed and said at least one processed database result is persistently stored in a database of the central database subsystem. Figure for abstract: Fig. 1

FR1907939A 2019-07-15 2019-07-15 Database query processing Active FR3098944B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1907939A FR3098944B1 (en) 2019-07-15 2019-07-15 Database query processing
EP20185701.8A EP3767487A1 (en) 2019-07-15 2020-07-14 Processing database requests

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1907939A FR3098944B1 (en) 2019-07-15 2019-07-15 Database query processing
FR1907939 2019-07-15

Publications (2)

Publication Number Publication Date
FR3098944A1 FR3098944A1 (en) 2021-01-22
FR3098944B1 true FR3098944B1 (en) 2022-01-21

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ID=68425074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1907939A Active FR3098944B1 (en) 2019-07-15 2019-07-15 Database query processing

Country Status (1)

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FR (1) FR3098944B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7013289B2 (en) 2001-02-21 2006-03-14 Michel Horn Global electronic commerce system
US7899839B2 (en) * 2007-07-12 2011-03-01 Oracle International Corporation Query rewrite with a remote object
US9946752B2 (en) 2015-04-27 2018-04-17 Microsoft Technology Licensing, Llc Low-latency query processor
US10417245B2 (en) * 2017-02-10 2019-09-17 Johnson Controls Technology Company Building management system with eventseries processing

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Publication number Publication date
FR3098944A1 (en) 2021-01-22

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