GATE 1997
If a functional dependency X -> Y holds in relation R, and X is a candidate key, then R is guaranteed to satisfy:
In a B+ tree, internal nodes store:
The durability property of database transactions guarantees that:
Let P, Q, R and S be the attributes of a relation in a relational schema. Let X → Y indicate functional dependency in the context …
In the context of relational database normalization, which of the following statements is/are true?
Consider a relational database schema with two relations R(P,Q) and S(X,Y). Let E = {<u> | there ∃ v, there ∃ w, <u,v> in R and <v…
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 relati…
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