Nonapplicable nulls

DOI10.1016/0304-3975(86)90022-8zbMath0618.68079OpenAlexW4213061376MaRDI QIDQ1822518

Nadine Lerat, Witold jun. Lipski

Publication date: 1986

Published in: Theoretical Computer Science (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0304-3975(86)90022-8

zbMATH Keywords

relational databaseGeneralized Relational AlgebraGeneralized Relational Calculusnonapplicable null

Mathematics Subject Classification ID

Data structures (68P05) Information storage and retrieval of data (68P20)

Related Items

Inferring null join dependencies in relational databases, A Generalisation of Entity and Referential Integrity in Relational Databases

Cites Work

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• The relational model of data and cylindric algebras
• Database relations with null values
• Fast algorithms for the elimination of common subexpressions
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