Databases · Integrity Constraints and Normal Forms
Official IIT answer key · IIT Bombay · Audited Aug 2026
GATE CSE 2013 Q55 · MCQ · 2 marks
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Topic notes
In GATE, Normal Forms questions test a candidate's ability to identify candidate keys, classify relational schemas into appropriate normal forms (such as 3NF and BCNF), and evaluate decomposition properties (lossless join and dependency preservation). Questions combine normal form verification with decomposition analysis, frequently formatted as multi-select questions (MSQs) requiring rigorous evaluation of all properties across both the original and decomposed relations.
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Statement for Linked Answer Questions 54 and 55: Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F=\CH G, A BC, B CFH, E A, F EG\ is a set of functional dependencies (FDs) so that F+ is exactly the set of FDs that hold for R. The relation R is
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