Concept drill
superkeys
GATE CSE & IT · Normalization · 2022-2026
2
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2
years appeared
Study anchor
Korth — Database System Concepts
Relational model, SQL, normalization, transactions
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All concepts →2026 PYQ
Consider a relational database schema with a relation $R(A, B, C, D)$. If $\{A, B\}$ and $\{A, C\}$ are the only two candidate keys of the relation $R$, then the number of superkey...
mediumbasic explanation
2022 PYQ
Consider a relation R(A, B, C, D, E) with the following three functional dependencies. AB $$\to$$ C ; BC $$\to$$ D ; C $$\to$$ E; The number of superkeys in the relation R is _____...
easybasic explanation