What is true about atomicity in DBMS$?$ Atomicity guarantees that a transaction is$/$are$\_\_\_\_\_\_\_\_\_\_\_\_\_.$

What is true about atomicity in DBMS$?$ Atomicity guarantees that a transaction is$/$are$\_\_\_\_\_\_\_\_\_\_\_\_\_.$

its changes are permanently applied to the database

it is entirely undone, and the database remains in its original state

successfully completed

all of the above.