Within the application MY_APP the following PREVIOUS VALUE expression references the
sequence MY_SEQ:
PREVIOUS VALUE FOR my_seq
After which of the following events will the most recently generated value of MY_SEQ persist so
that it can be returned to the active MY_APP application?

A.
After a ROLLBACK is issued

B.
After the sequence is altered

C.
After the sequence is dropped

D.
After the current session ends