A transaction manager is which of the following?
A)Maintains a log of transactions
B)Maintains before and after database images
C)Maintains appropriate concurrency control
D)All of the above.

Question

Quizplus · Accepted Answer

A transaction manager is responsible for maintaining a log of transactions, maintaining before and after images of the database to ensure data integrity, and managing appropriate concurrency control to allow multiple transactions to occur simultaneously without interfering with each other.

A Transaction Manager Is Which of the Following