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Question

Consider the following transaction involving two bank accounts 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).Consistency

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Q. Consider the following transaction involving two bank accounts x and y. read(x); x := x – 50; write(x); read(y); y := y + 50; write(y) The constraint that the sum of...

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