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Which of the following schedule is allowed under basic Timestamp protocol.

S1: R1(x) R3(x) W1(x) R2(x) W3(x)
S2: R1(x) R3(x) W3(x) W1(x) R2(x)
S3: R3(x) R2(x) W3(x) R1(x) W1(x)
S4: R1(x) R2(x) R3(x) W1(x) W3(x)

How to proceed for checking each schedule as there is no timestamp has been given for each transaction in a schedule?

Ans given is S4 please clarify

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4 Comments

question is not correct

there must be some order given
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mam question is correct  and yeah option 4 right
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how elaborate
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Can you explain how the answer is option $4$

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