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 ensuring appropriate concurrency control to manage access by multiple transactions.

A Transaction Manager Is Which of the Following