摘要：
You backed up the database at 8 a.m. today using an online backup. Accounting made a largechange to the underlying data between 10 a.m. and noon. Whic 阅读全文
摘要：
You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up.What command would you use?A. alter tablespace MY_DATA b 阅读全文
摘要：
When performing an online backup, what is the proper order of the following steps?A. Issue the alter database end backup command.B. Back up the archiv 阅读全文
摘要：
Your database is in NOARCHIVELOG mode. You start to do a backup, but your users complain thatthey dont want you to shut down the database to perform t 阅读全文
摘要：
As the DBA, you run the following query on your ASM instance.What is the implication of the results of the query? (Choose two.)SQL> select group_numbe 阅读全文
摘要：
You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails.You suspect that the disk itself is okay. You know it 阅读全文
摘要：
If you use ALTER DISKGROUP ... ADD DISK and specify a wildcard for the discovery string, whathappens to disks that are already a part of the same or a 阅读全文
摘要：
Which of the following ALTER DISKGROUP commands does not use V$ASM_OPERATION to record the status of the operation?A. ADD DIRECTORYB. DROP DISKC. RESI 阅读全文
摘要：
How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it hasalready completed?A. Issue the ALTER DISKGROUP ... ADD DISK comma 阅读全文
摘要：
Which type of database file is spread across all disks in a disk group?A. All types of files are spread across all disks in the disk group.B. Datafile 阅读全文