GATE 2002
Related Database Management PYQs
In tuple relational calculus, an expression is considered safe if:
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…
In the context of DBMS, consider the two sets T and S given below. T: I: Logical schema, II: Physical schema, III: External schema…
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