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Relvar
Known as:
Relation variable
, Relvars
In relational databases, relvar is a term introduced by C. J. Date and Hugh Darwen as an abbreviation for relation variable in their 1995 paper The…
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Related topics
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9 relations
Column (database)
Database normalization
Relation (database)
Relational database
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Broader (2)
Data modeling
Variable (computer science)
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
Chapter 15 – Queries
C. J. Date
,
Hugh Darwen
,
N. Lorentzos
2014
Corpus ID: 53835565
2014
2014
Investigating A Relational 'Compose' Operator
D. Livingstone
2014
Corpus ID: 125425840
A new relational algebra operator is investigated and developed for use with database relations that hold data representing…
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2014
2014
Database Design III : General Constraints
C. J. Date
,
Hugh Darwen
,
N. Lorentzos
2014
Corpus ID: 59652872
2010
2010
Atomicity and Semantic Normalization
Andy Carver
,
T. Halpin
International Journal of Information System…
2010
Corpus ID: 36775122
This paper contrasts two different approaches to designing relational databases that are free of redundancy. The Object-Role…
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2008
2008
A method to eliminate RVA existing in relation variable
Chai Xiao-hui
2008
Corpus ID: 125010601
By analyzing the validity of RVA,problems caused by RVA existing in relation variable is discussed.Then a academic method of…
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2007
2007
Foreign Superkeys and Constant References
J. Heggland
International Database Engineering and…
2007
Corpus ID: 2615711
A foreign superkey in relational database theory is a set of attributes referring to a superkey of some relation variable. In…
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2004
2004
Relation Variables in Qualitative Spatial Reasoning
S. Brand
International Conference on Principles and…
2004
Corpus ID: 11908149
We study an alternative to the prevailing approach to modelling qualitative spatial reasoning (QSR) problems as constraint…
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2003
2003
Chapter 13 – Database Queries
C. J. Date
,
Hugh Darwen
,
N. Lorentzos
2003
Corpus ID: 56671534
Highly Cited
2000
Highly Cited
2000
Foundation for Future Database Systems: The Third Manifesto
C. J. Date
,
Hugh Darwen
2000
Corpus ID: 61700949
From the Publisher: A detailed study of the impact of objects and type theory on the relational model of data, including a…
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1997
1997
Relative velocities of discharge and sediment waves for the River Severn, UK
L. Bull
1997
Corpus ID: 16822643
Abstract It is generally accepted that the celerity of a discharge wave exceeds that of a floodwave. The discharge wave is the…
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