Construct · 1 fields · 1 citations

fourth normal form: a standalone construct

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Databases

a relational normal form that removes redundancy caused by multivalued dependencies, stricter than Boyce-Codd normal form.

In databases, fourth normal form refers to a relational normal form that removes redundancy caused by multivalued dependencies, stricter than Boyce-Codd normal form. This meaning comes from Fagin (1977) in ACM Transactions on Database Systems.[1]

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Nearby constructs

form4 fields · 7 citationsjingle · one word, four constructs normal3 fields · 7 citationsjingle · one word, three constructs normalization5 fields · 6 citationsjingle · one word, five constructs

References

Fagin, R. (1977). Multivalued dependencies and a new normal form for relational databases. ACM Transactions on Database Systems, 2(3), 262-278. https://doi.org/10.1145/320557.320571

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