Consider the two schedules: S 1 : r1(x),r2(x),w2(x),r3(x),w1(x), w2(y),r3(y),…
Consider the two schedules:
S 1 : r1(x),r2(x),w2(x),r3(x),w1(x), w2(y),r3(y), c2,w3(x), c1, c3
S 2 : r2(x),r1(x),w1(x),w2(x),w2(y),r3(x),w3(x),r3(y), c1, c3, c2
Which of the schedules is recoverable?
- A.
Only S2
- B.
Only S1
- C.
None of them
- D.
Both S1 and S2
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