third normal form - In order to be in Third Normal Form, a relation must first fulfill the requirements to be in Second Normal Form. Additionally, all attributes that are not dependent upon the primary key must be eliminated.
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дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://databases.about.com/library/glossary/bldef-3nf.htm;
