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
You first put the databse in ARCHIVELOG mode with the alter database begin backup command.You then back up the database datafiles.Then take the database out of backup mode with the alter database end back up command.Issue the alter system switch logfile command and then back up the archived redo logs.