Question

Check whether the given schedule is conflict serializable or not ? 

R2(A); R3(C); W3(A); W2(A); W2(B); W3(C); R1(A); R1(B); W1(A); W1(B)

Comments

not conflict serializable

Answer 1

there is conflict between R2(A) and W3(A) which is T2-->T3
and another conflict between W3(A) and W2(A) which is T3-->T2
there is cycle. hence not Conflict serializable

Comments

How T3 ---> T2  ?

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W3(A) and W2(A)  conflict

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Answer says CS, don't know why ?