 
			 
			MCQOPTIONS
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				| 1. | 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» C. Isolation | |