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GATE 2022
Database ManagementTransactions and Concurrency ControlhardMCQ2 marks
Let Ri(z) and Wi(z) denote read and write operations on a data element z by a transaction Ti, respectively. Consider the schedule S with four transactions. S: R4(x) R2(x) R3(x) R1(y) W1(y) W2(x) W3(y) R4(y) Which one of the following serial schedules is conflict equivalent to S?
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