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Federated database system

A federated database system (FDBS) is a type of meta-database management system (DBMS), which transparently maps multiple autonomous database systems into a single federated database. The constituent databases are interconnected via a computer network and may be geographically decentralized. Since the constituent database systems remain autonomous, a…

Overview, Definition & FDBS architecture

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Overview

Meta-DBMSsDatabasesComputer networkData abstraction
28 related topics

Definition

Computer NetworkLANWANAtomic updates
4 related topics

FDBS architecture

Concurrency controlTransactionsGlobal concurrency controlGlobal serializability
4 related topics

Five level schema architecture for FDBSs

Common data model
1 related topics

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Overview

Definition

FDBS architecture

Five level schema architecture for FDBSs

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Federated database system

Nodes42
Edges41
Triples17
Avg. degree1.95
Density0.047619
Components1

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Federated database system

Top relations

related to Definition · 7
Federated database system → FDBS, Heimbigner, McLeod, McLeod/Heimbigner, McLeod/Heimbigner's, Rather, This
related to FDBS architecture · 5
Federated database system → DBMS, DBS, FDBS, Federated, MDBS
is a · 1
Federated database system → contrastable alternative to the

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Important terminology

data schema databases federated database component fdbs system systems autonomy constituent query multiple dbms different heterogeneity dbs integration federation level

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Federated database systemis acontrastable alternative to the0.90text
differences in structuresinstance ofHeterogeneities in databases arise due to factors0.80text
semantics of datainstance ofHeterogeneities in databases arise due to factors0.80text
the constraints supported or query languageinstance ofHeterogeneities in databases arise due to factors0.80text
object orientedinstance ofDifferences in structure occur when two data models provide different primitives0.80text
Federated database systemrelated to DefinitionMcLeod0.60section
Federated database systemrelated to DefinitionHeimbigner0.60section
Federated database systemrelated to DefinitionFDBS0.60section
Federated database systemrelated to DefinitionThis0.60section
Federated database systemrelated to DefinitionMcLeod/Heimbigner0.60section
Federated database systemrelated to DefinitionRather0.60section
Federated database systemrelated to DefinitionMcLeod/Heimbigner's0.60section

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