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zbMath0655.68025MaRDI QIDQ3802595

Bernhard Thalheim

Publication date: 1988

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

relational database join dependencies negative information Excluded functional and multivalued dependencies generalized functional dependencies union dependencies

Mathematics Subject Classification ID

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

Related Items (1)

Foundations for a Fourth Normal Form over SQL-Like Databases

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