Q. 13 Consider the following transaction involving two bank account x and y .
read(x); x := x – 50; write(x); read(y); y := y + 50; write(y)
The constraint that the sum of the accounts x and y should remain constant is
that of
(A) Atomicity
(B) Consistency
(C) Isolation
(D) Durability
Answer: (B)
Explanation:
