A boy name X has rupees 1000 in their bank account. His friend Y needs rupees 200, so he tries to make a transaction. He asks his bank to make the transaction to his friend’s account. After filling all the details and successful transaction, 200 is deducted from X’s account. But his friend Y told him that he doesn’t receive the money. What property of transaction has not been maintained here?
A. Atomicity
B. Consistency
C. Isolation
D. Durability
Answer:A
A boy name X has rupees 1000 in their bank account. His friend Y needs rupees 200, so he tries to make a transaction. He asks his bank to make the transaction to his friend’s account. After filling all the details and successful transaction, 200 is deducted from X’s account. But his friend Y told him that he doesn’t receive the money. What property of transaction has not been maintained here?
A. Atomicity B. Consistency C. Isolation D. Durability
Explanation: The correct answer is A because atomicity means data should remain atomic. It means that whenever an operation starts, it should execute fully. The operation should not break in the middle or execute partially.