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Review of Serializability

A serializable schedule



T1 T2 comments
R(A)
add 50 to A
W(A)
R(A): wait
R(B) wait
add 50 to B wait
W(B) wait
R(A) T1 < T2 due to WR conflict on A
multiply A by 2
W(A)
R(B) T1 < T2 due to WR conflict on B
multiply B by 2
W(B)

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