You issue the following queries to obtain information about the redo l

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Oracle Database Skills Practice Test

You issue the following queries to obtain information about the redo log files: SQL> SELECT
group#, type, member FROM v$logfile;
GROUP# TYPE MEMBER
1 ONLINE /databases/DB01/ORADATA/u02/log1a.rdo
1 ONLINE /databases/DB01/ORADATA/u03/log1b.rdo
2 ONLINE /databases/DB01/ORADATA/u02/log2a.rdo
2 ONLINE /databases/DB01/ORADATA/u03/log2b.rdo
3 ONLINE /databases/DB01/ORADATA/u02/log3a.rdo
3 ONLINE /databases/DB01/ORADATA/u03/log3b.rdo
SQL> SELECT group#, sequence#, status FROM v$log;
GROUP# SEQUENCE# STATUS
1 250 INACTIVE
2 251 CURRENT
3 249 INACTIVE
You immediately issue this command:
ALTER DATABASE DROP LOGFILE MEMBER ’/databases/DB01/ORADATA/u03/log2b.rdo’;
Why does the command fail?

Each online redo log file group must have two members

You cannot delete any members of online redo log file groups

You cannot delete any members of the current online redo log file group

You must delete the online redo log file in the operating system before issuing the ALTER DATABASE command.

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