Course Content

  • Normalization
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Course Content


Characters and sequences of characters are transformed into a formally defined underlying representation during normalisation.

Normal Forms Types:

  • If a relation has an atomic value, it is in 1NF. 2NF. If a relation is in 1NF and all non-key attributes are fully functioning and dependent on the primary key, it is in 2NF. 3NF. If a relation is in 2NF and there is no transition dependency, it is in 3NF.

Normalization is a six-step process: the data is said to be in first normal form after the first stage, second normal form after the second, third normal form after the third, and so on.

The process of restructuring data in a database so that it meets two basic standards is known as normalisation. There is no data redundancy; all data is stored in a single location. All linked data pieces are stored together in logical data dependencies.

When a record is saved in the Metadata Editor, imported via import profile, imported from an external search resource, or changed via the Metadata Editor's "Enhance the record" menu, normalisation rules are used to change or update bibliographic metadata at various stages.

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