2020-04-22
R1(A), W2(A), C2, R1(B), W1(B), C1
R1(A), W2(A), C2, R1(B), W1(B), C1
W1(A), W1(B), W2(A), R2(B), C2, R1(A), C1
W1(A), W1(B), W2(A), R2(B), C2, R1(A), C1
W1(A), W1(B), W2(A), C2, R2(B), C1
W1(A), W1(B), W2(A), C2, R2(B), C1
W1(A), W1(B), W2(A), R2(B), C2, W2(C), C1
W1(A), W1(B), W2(A), R2(B), C2, W2(C), C1
W1(A), W1(B), R2(A), R2(B), C2, R1(A), C1
W1(A), W1(B), R2(A), R2(B), C2, R1(A), C1
W1(A), R2(A), W2(B), C2, R1(B), W1(B), C1
T2 has read from transaction T1, but has committed first.
If there was a crash before T1 commits T1 would be lost.
It is serializable because this is equivalent to T1, T2
(Edited: 2020-04-22) W1(A), R2(A), W2(B), C2, R1(B), W1(B), C1
T2 has read from transaction T1, but has committed first.
If there was a crash before T1 commits T1 would be lost.
It is serializable because this is equivalent to T1, T2
W1(A), R2(A), C2, R1(B), W1(B), C1
<pre>
W1(A), R2(A), C2, R1(B), W1(B), C1
</pre>
W1(A), W1(B), W2(A), R2(B), C2, R1(A), C1
W1(A), W1(B), W2(A), R2(B), C2, R1(A), C1
W1(A), W1(B), W2(A), R2(B), C2, R1(B), W1(B), C1
W1(A), W1(B), W2(A), R2(B), C2, R1(B), W1(B), C1
2020-04-23
W1(A), R2(A), W2(B), W2(A), C2, R2(B), R2(A), C2
W1(A), R2(A), W2(B), W2(A), C2, R2(B), R2(A), C2
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