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Foreign key

Known as: FK, Foreign, Foreign key constraint 
In the context of relational databases, a foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another… 
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Related topics

Related topics

50 relations
Accession number (bioinformatics)Active record patternAriaCardinality (data modeling)

Broader (2)

Data modelingSQL

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2009
Highly Cited
2009
The Global Competitiveness Index: Prioritizing the Economic Policy Agenda
World Economic Forum After several years of rapid and almost unhampered growth, the global economic landscape is changing. Rising… 
Highly Cited
2006
Highly Cited
2006
Discovering the Semantics of Relational Tables Through Mappings
Many problems in Information and Data Management require a semantic account of a database schema. At its best, such an account… 
Highly Cited
2004
Highly Cited
2004
Self-selection, Export Market Heterogeneity and Productivity Improvements: Firm Level Evidence from Slovenia
This paper adds a new dimension to the recent literature on relationship beween firm's heterogeneity in terms of productivity and… 
Highly Cited
2004
Highly Cited
2004
Biplot analysis of trait relations of white lupin in Spain
A 2-year study of autumn-sown white lupin (Lupinus albus L.) was conducted under rainfed Mediterranean conditions in southern… 
Highly Cited
2003
Highly Cited
2003
Foreign Ownership and Corporate Income Taxation: An Empirical Evaluation
Highly Cited
2000
Highly Cited
2000
Foundation for Future Database Systems: The Third Manifesto
From the Publisher: A detailed study of the impact of objects and type theory on the relational model of data, including a… 
Highly Cited
1989
Highly Cited
1989
Qa-1 restricted recognition of foreign antigen by a γδ T-cell hybridoma
DISTINCT T-lymphocyte subsets recognize antigens in conjunction with different classes of major histocompatibility complex (MHC… 
Highly Cited
1979
Highly Cited
1979
The diversifiability of exchange risk
Highly Cited
1973
Highly Cited
1973
A Nation Writ Large?: Foreign-Policy Problems before the European Community
Review
1960
Review
1960
Oil yield and uranium content of black shales
Some black shales contain as much as one hundred times more uranium than other common sedimentary rocks and they also contain… 
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