Which of the following best practice descriptions of Oralce database is correct? (Multiple choice.)

Which of the following best practice descriptions of Oralce database is correct? (Multiple choice.)
A . OLAP business query output is usually astatistical value (using group by with order by), so you can set a larger SGA-target value (relative to OLTP).
B . It is recommended to use UDEV UUID and drive letter binding, in Linux environment configuration Oracle database, to avoid subsequent maintenance letter changes caused by the database which can not start.
C . If the database OLTP business log write is very frequent, it is recommended that the appropriate online log file up, but it is recommended not to exceed 128M
E . In Windows2008 or windows2012 operating system environment, in order to improve I/O processing efficiency, MBR partition is created, and diskpart command is recommended to set the partition alignment.

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Answer: B,C,D