second normal form - In order to be in Second Normal Form, a relation must first fulfill the requirements to be in First Normal Form. Additionally, each nonkey attribute in the relation must be functionally dependent upon the primary key. ;
дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://databases.about.com/library/glossary/bldef-2nf.htm;