What is the correct order of steps to perform an online database backup?
a. alter database begin backup;
b. alter database end backup;
c. Back up the database datafiles.
d. Back up the archive log files.
e. alter system switch logfile;
A.
a, b, c, d, e
B.
e, d, a, b, c
C.
a, c, b, d, e
D.
d, b, c, a, e
E.
a, c, b, e, d