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Second Normal Form

Second Normal Form

May 09, 20251 min read

relational-algebra

Definition

Second Normal Form

A schema R with functional dependencies F is in second normal form if all non-prime attribute A∈R are fully functional dependent on every key candidate of the delation.

In other words, a schema is in second normal form if it does not consist of any partial dependencies. No non-key-candidate attribute should determine any other attribute in the relation.


Graph View

Backlinks

  • Boyce-Codd Normal Form
  • Third Normal Form

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