Lossless outer joins with incomplete information

DOI10.1007/BF01932129zbMath0692.68068OpenAlexW2061407262MaRDI QIDQ583910

Sushil Jajodia, Frederick Neil Springsteel

Publication date: 1990

Published in: BIT (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01932129

zbMATH Keywords

joinsdatabasesrelational model of data

Mathematics Subject Classification ID

Information storage and retrieval of data (68P20)

Related Items (1)

Inferring null join dependencies in relational databases

Cites Work

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• Functional dependencies in relations with null values
• Database relations with null values
• On the Desirability of Acyclic Database Schemes
• Degrees of acyclicity for hypergraphs and relational database schemes
• Functional dependencies and constraints on null values in database relations
• On the Equivalence of Database Models
• A simplied universal relation assumption and its properties

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