Related Database Management PYQs
An ER model of a database consists of entity types A and B. These are connected by a relationship R which does not have its own at…
Consider tables T1(P, Q) and T2(R, S). In table T1, P is primary key and Q is foreign key referencing R in T2 with on-delete casca…
Two transactions T1 and T2 are given as: T1: r1(X) w1(X) r1(Y) w1(Y) T2: r2(Y) w2(Y) r2(Z) w2(Z) The total number of conflict seri…
Consider table top_scorer(player, country, goals). Query: SELECT ta.player FROM top_scorer AS ta WHERE ta.goals >ALL (SELECT tb.go…
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?
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