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

Consider the following transaction involving two bank account x and y.

1.	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» C. Isolation

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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

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