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Question :-

Question 3 You executed the following command in your database: SQL> ALTER DATABASE ADD LOGFILE ('/DISK3/log3a.rdo','/DISK4/log3b.rdo') size 1M; What would this command do?
creates a new redo log group with two files
fails, if the database is open
creates two new groups, one in disk 3 and another in disk 4
adds two new members to an existing group with a size of 1 MB each
adds two new members to a group and the total size of the two files is 1 MB

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