Conflict Serializability: Detailed Explanation with Example Question: Consider the following schedule: S₁: R₁(A); R₁(C); R₂(B); W₂(B); R₃(B); R₁(A); R₃(C); W₃(C); W₁(A) S₂: R₂(A); R₁(C); R₂(B); R₃(B); W₂(B); R₁(A); R₃(C); W₃(C); W₁(A) Which of the above schedules is conflict serializable? …
Q1: What are the potential problems when a DBMS executes multiple transactions concurrently? Question: What are the potential problems when a DBMS executes multiple transactions concurrently? Phantom problem The dirty read problem Unrepeatable read problem All of the above Answer: …
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Question 1 Consider a relation schema S = (P, Q, R, T, U, V) with the following functional dependencies: P → Q P → R QR → V QR → U Q → T Which of the following is a …