Which of the following best defines transaction persistence

Which of the following best defines transaction persistence?

A. Database transactions should be all or nothing to protect the integrity of the database.

B. The database should be in a consistent state, and there should not be a risk of integrity problems.

C. The database should be the same before and after a transaction has occurred.

D. Databases should be available to multiple users at the same time without endangering the integrity of the data.

Solution

Answer: B. The database should be in a consistent state, and there should not be a risk of integrity problems.

Opton A is incorrect because i does nt define transaction persistence.
Option B is correct transaction persistence means the state of the database secury is the same after a transaction has occurred. There is no risk of integrity issues.
Option C is incorrect because transaction persistence does not tell that database must me the same before and after a transaction.
option D is incorrect because Though Databases should be available to multiple users at the same time without endangering the integrity of the data, it oes not define by transaction persistence