Give example of non-serializable schedules that can be produced at the READ UNCOMMITTED and READ COMMITTED isolation levels
What will be an ideal response?
Solution:
(a) READ UNCOMMITTED
w1(x) r 2(x) r2(y) w2(y) c1 c2
(b) READ COMMITTED
r(x) w2(x) w2(y) c2 r2(y) c1
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