The lost update problem can occur when ____.
A) two users are trying to retrieve the same data simultaneously
B) one user is trying to retrieve data and another user is trying to update the same data simultaneously
C) two users are trying to update the same data simultaneously
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

The lost update problem occurs when two users are trying to update the same data simultaneously, leading to one user's changes being overwritten by the other user's changes. Option A is incorrect because retrieving data simultaneously does not lead to a lost update. Option B is incorrect because if one user is only retrieving data and not updating it, there is no chance of a lost update. Option D is incorrect because it includes options A and B, which are not relevant to the lost update problem. Option E is incorrect because there is a valid choice for the answer.

The Lost Update Problem Can Occur When ____