多项选择题
You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?（） (Choose two).
A. The backup as copy can only be taken to disk
B. The backup as copy can only be taken to tape
C. Backup can be performed only when the instance is shutdown
D. Backup will constitute all used and unused blocks in the database
相关考题
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单项选择题
Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows: 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files?（）
A.2，4，3
B.1，4，3，2
C.2，5，4，3，6
D.5，2，4，3，6
E.1，5，4，3，6，2 -
单项选择题
WhichstatementabouttheenablingoftablecompressioninOracleDatabase11gistrue？（）
A. Compression can be enabled at the table， tablespace， or partition level for direct loads only.
B. Compression can be enabled only at the table level for both direct loads and conventional DML.
C. Compression can be enabled at the table， tablespace， or partition level for conventional DML only.
D. Compression can be enabled at the table， tablespace， or partition level for both direct loads and conventional DML. -
多项选择题
Inwhichtwoaspectsdoeshotpatchingdifferfromconventionalpatching？（）
A. It consumes more memory compared with conventional patching.
B. It can be installed and uninstalled via OPatch unlike conventional patching.
C. It takes more time to install or uninstall compared with conventional patching.
D. It does not require down time to apply or remove unlike conventional patching.
E. It is not persistent across instance startup and shutdown unlike conventional patching.
