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Functional dependency

Known as: Fundep, Heath's theorem, Functional dependencies 
In relational database theory, a functional dependency is a constraint between two sets of attributes in a relation from a database. In other words… 
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Related topics

Related topics

31 relations
Armstrong's axiomsAttribute domainBoyce–Codd normal formCandidate key

Broader (1)

Data modeling

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2012
2012
One Size Does Not Fit All: Toward User- and Query-Dependent Ranking for Web Databases
With the emergence of the deep web, searching web databases in domains such as vehicles, real estate, etc., has become a routine… 
2012
2012
Comparative modeling of CO2 laser cutting using multiple regression analysis and artificial neural network
In this paper, empirical modeling of surface roughness in CO2 laser cutting of mild steel using the multiple regression analysis… 
2011
2011
On Codd Families of Keys over Incomplete Relations
Keys allow a database management system to uniquely identify tuples in a database. Consequently, the class of keys is of great… 
Highly Cited
2010
Highly Cited
2010
The crossover from strong to weak chaos for nonlinear waves in disordered systems
We observe a crossover from strong to weak chaos in the spatiotemporal evolution of multiple-site excitations within disordered… 
2009
2009
A New Critical Variable Analysis in Processor-Based Systems
Determining the dependability of integrated systems with respect to soft errors is necessary for a growing number of applications… 
Highly Cited
2001
Highly Cited
2001
On the implication problem for cardinality constraints and functional dependencies
In database design, integrity constraints are used to express database semantics. They specify the way by that the elements of a… 
2000
2000
A General Treatment of Dynamic Integrity Constraints
Highly Cited
1999
Highly Cited
1999
Dynamic Monte-Carlo and mean-field study of the effect of strong adsorption sites on self-diffusion in zeolites
1994
1994
Implication Problems for Functional Constraints on Databases Supporting Complex Objects
1979
1979
The Functional Dependency Model For Logical Database Design
In order to have an effective logical database design tool, a designer should have facilities for specifying his data and… 
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