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Question 23Asked in UGC NET Computer Science, November 2017 (Paper II & III, Selected Questions)

In RDBMS, different classes or relations are created using ______ technique to prevent modification anomalies.

  1. AFunctional dependencies
  2. BData integrity
  3. CReferential integrity
  4. DNormal forms
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Correct answer: (D) Normal forms

Explanation

Relations are decomposed into normal forms (normalization) to prevent insertion, deletion and update anomalies.

From UGC NET Computer Science PYQ, November 2017 (Paper II & III, Selected Questions)

This is question 23 of UGC NET Computer Science PYQ, November 2017 (Paper II & III, Selected Questions). 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.