This question requires that you evaluate the underlined text to determine if it is correct.
The benefit of using a transaction when updating multiple tables is that the update cannot
fail.
Select the correct answer if the underlined text does not make the statement correct. Select
“No change is needed” if the underlined text makes the statement correct.
A.
No change is needed
B.
succeeds or fails as a unit
C.
finishes as quickly as possible
D.
can be completed concurrently with other transactions
B. succeeds or fails as a unit