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Join dependency
Known as:
Join dependencies
, Lossless-join decomposition
In the area of computer science known as dependency theory, a join dependency is a constraint on the set of legal relations over a database scheme. A…
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Related topics
Related topics
8 relations
Chase (algorithm)
Dependency theory (database theory)
Fifth normal form
Functional dependency
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Broader (1)
Database normalization
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2001
2001
Decomposition of object-oriented database schemas
J. Biskup
,
Torsten Polle
Annals of Mathematics and Artificial Intelligence
2001
Corpus ID: 2962231
We specify a data model with object-oriented and logic-oriented features. The model is based on F-logic. For this model, we study…
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2000
2000
Decomposition of Database Classes under Path Functional Dependencies and Onto Constraints
J. Biskup
,
Torsten Polle
International Symposium on Foundations of…
2000
Corpus ID: 15890656
Based on F-logic, we specify an advanced data model with object-oriented and logic-oriented features that substantially extend…
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1998
1998
Minimal Lossless Decompositions and Some Normal Forms Between 4NF and PJ/NF
R. Normann
Information Systems
1998
Corpus ID: 43899796
1994
1994
Statistical versus relational join dependencies
F. M. Malvestuto
Seventh International Working Conference on…
1994
Corpus ID: 206582229
In order to achieve a good design of a probabilistic database, we introduce statistical join dependencies whose definition shows…
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1994
1994
Update Anomalies and the Justification for 4NF in Relational Databases
M. Vincent
,
B. Srinivasan
Information Sciences
1994
Corpus ID: 935358
1991
1991
Evaluation of queries in independent database schemes
Y. Sagiv
JACM
1991
Corpus ID: 14351443
A simple characterization of independent database schemes is proved. An algorithm is given for translating a tableau <italic>T…
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1989
1989
Finite axiomatization of languages for representations of system properties: axiomatization of dependencies
S. Petrov
1989
Corpus ID: 122479368
1983
1983
Synthesis of unnormalized relations incorporating more meaning
Y. Kambayashi
,
Katsumi Tanaka
,
Koichi Takeda
Information Sciences
1983
Corpus ID: 7904136
1983
1983
Whether a Set of Multivalued Dependencies Implies a Join Dependency is NP-Hard
P. C. Fischer
,
Don-Min Tsou
SIAM journal on computing (Print)
1983
Corpus ID: 35891895
The problem of determining, given a set of multivalued dependencies, whether or not they logically imply a given join dependency…
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1979
1979
On the Properties of Join Dependencies
C. Beeri
,
Moshe Y. Vardi
Advances in Data Base Theory
1979
Corpus ID: 5433804
In this chapter we introduce a formal system for the family of functional and join dependencies. The system contains one axiom…
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