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Data Normalization :Oracle Server Technologies and the Relational Paradigm

02.06.2010 by admin - 0 Comment
Posted in Oracle
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The process of modeling data into relational tables is known as normalization and can be studied at university level for years. There are commonly said to be three levels of normalization: the first, second, and third normal forms. There are higher levels of normalization: fourth and fifth normal forms are well defined, but any normal data analyst (and certainly any normal human being) will not need to be concerned with them. It is possible for a SQL application to address un-normalized data, but this will usually be inefficient as that is not what the language is designed to do. In most cases, data stored in a relational database and accessed with SQL should be normalized to the third normal form.
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