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Question 47

3NF is based on the concept of :

  1. AFunctional dependency
  2. BClosure dependency
  3. CTransitive dependency
  4. DNormal dependency
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Correct answer: (C) Transitive dependency

Explanation

3NF removes transitive dependencies, where a non-key attribute depends on another non-key attribute. 2NF removes partial dependencies.

From DSSSB TGT Computer Science Practice Set 3

This is question 47 of DSSSB TGT Computer Science Practice Set 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.