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單項選擇題

You have implemented OMF for redo log management. Which of the following choices reflects a log filename that might be employed when OMF is enabled?（）

A.log01.log
B.logORCL01.log
C.1_2.logALTER ROLLBACK SEGMENT
D.ora_1_asdf1234.log

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單項選擇題

Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?（）

A.INSERT
B.SELECT
C.UPDATE
D.DELETE

單項選擇題

To allocate another role to a user, which command is most appropriate?（）

A.ALTER USER
B.ALTER DATABASE
C.ALTER SYSTEM
D.GRANT