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Question 139Asked in DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)

Which of the following normal form of normalization in relational model, disallows

Which of the following normal form of normalization in relational model, disallows relations within relations or relations as attribute values within tuples?
  1. AFourth
  2. BFirst
  3. CSecond
  4. DThird
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Correct answer: (B) First

Explanation

First Normal Form requires atomic attribute values, so it disallows nested relations or relations as attribute values within tuples.

From DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM)

This is question 139 of DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM). 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.