GATE CSE · 2024 · CS
Question 56: Databases
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Question 56
CSNAT2 marksNeeds review
A functional dependency F: X → Y is termed as a useful functional dependency if and only if it satisfies all the following three conditions:
• X is not the empty set.
• Y is not the empty set.
• Intersection of X and Y is the empty set.
For a relation R with 4 attributes, the total number of possible useful functional dependencies is ________
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2024CS
GATE CSE 2024 · Paper 2
Computer Science and Information Technology · Original paper archive
- Section
- Computer Science and Information Technology
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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