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Codd's theorem
Codd's theorem states that relational algebra and the domain-independent relational calculus queries, two well-known foundational query languages for…
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Related topics
Related topics
12 relations
Aggregate function
Conjunctive query
Database theory
Expressive power (computer science)
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Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2014
Highly Cited
2014
Gender, Self-Stigma, and Public Stigma in Predicting Attitudes toward Psychological Help-Seeking.
Nursel Topkaya
2014
Corpus ID: 144207079
AbstractUsing a sample of university students (N = 362), the role of gender and both the self-stigma and public stigma associated…
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2014
2014
Functional query languages with categorical types
G. Morrisett
,
Ryan Wisnesky
2014
Corpus ID: 61734885
We study three category-theoretic types in the context of functional query languages (typed lambda-calculi extended with…
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2013
2013
Analysis of physical and antimicrobial properties of films based on starch containing Tetradenia riparia (Hochst.) and Rosmarinus officinalis L. Codd - Lamiaceae.
D. Mattei
,
L. F. Guimarães
,
+4 authors
D. Dragunski
2013
Corpus ID: 83144880
2010
2010
About the embedding of one dimensional cellular automata into hyperbolic cellular automata
M. Margenstern
ArXiv
2010
Corpus ID: 1904213
In this paper, we look at two ways to implement determinisitic one dimensional cellular automata into hyperbolic cellular…
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Review
2004
Review
2004
Running head : Consequences of bilingualism Consequences of Bilingualism for Cognitive Development
E. Bialystok
2004
Corpus ID: 447782
Research addressing the possible cognitive consequences of bilingualism for children’s development has found mixed results when…
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Review
1995
Review
1995
Perspectives on database theory
M. Yannakakis
Proceedings of IEEE 36th Annual Foundations of…
1995
Corpus ID: 28406126
Database management systems address the need to store, retrieve, and manipulate large amounts of data in an organized fashion…
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1977
1977
A Deductive Question Answering System on Relational Data Bases
K. Furukawa
IJCAI
1977
Corpus ID: 1660299
This paper describes a new formalization of a deductive question answering system on a relational data base using a theorem…
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