2NF


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If the entity set is 2NF, the classifier tries to find for the rule to be matched in decision tree and if it matches with the rules of 1NF, the classifier tries to find the match the rules of 2NF, if there is a match, it further finds for match with the rules of 3NF and if the rules of 3NF is not matched with the entity set, the classifier declares the result that the classification of normal form is 2NF.
If A is selected as the primary key of the relation, and ignoring BC then there is no partial dependencies on A, implying that the relation is in 2NF.
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When the input set of data dependencies is a set of functional dependencies (or simply FDs) an appropriate normal form may be Second, Third, or Boyce-Codd Normal Form (abbreviated to 2NF, 3NF, and BCNF, respectively).
Working with CanCook, the ECHO, your readers and our communities we can hopefully try to stop food poverty Cllr Gerard Woodhouse, Manager, Liverpool Six Community Association, 99, Queens Rd, L6 2NF Real extremists WHAT planet is Labour deputy leader Tom Watson on when he says: "I don't know why we've been focusing on what was wrong with the Blair and Brown Governments for the last six years, but trashing our own record is not the way to enhance our brand.
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