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Question 137Asked in DSSSB TGT Computer Science, 25 Jun 2023, Shift 2 (12:30 PM)

Which of the following DBMS scenarios will NOT really follow Armstrong's Axiom?

  1. AReflexivity rule
  2. BPseudo transitivity rule
  3. CTransitivity rule
  4. DArmstrong's axioms
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Correct answer: (B) Pseudo transitivity rule

Explanation

Armstrong's axioms are only reflexivity, augmentation and transitivity. Pseudo-transitivity is a derived rule (inferred from these axioms), not one of the axioms themselves.

From DSSSB TGT Computer Science PYQ, 25 Jun 2023, Shift 2 (12:30 PM)

This is question 137 of DSSSB TGT Computer Science PYQ, 25 Jun 2023, 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.