單項選擇題

You backed up the database at 8 a.m. today using an online backup. Accounting made a large change to the underlying data between 10 a.m. and noon.
Which of the following actions would ensure that the changes could be recovered using the 8 a.m. backup？（）

A. Create a manual incremental online database backup.
B. Back up all the archived redo logs generated since the 8 a.m. backup.
C. Create a brand-new backup after all the changes have been applied.
D. There is no way to make the changes recoverable based on the 8 a.m. backup.
E. Perform an online backup of the tablespace（s） that contained changed data.

你可能感興趣的試題

單項選擇題

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 begin backup
B. alter tablespace MY_DATA start backup
C. alter tablespace MY_DATA backup begin
D. alter MY_DATA begin backup
E. You cannot back up individual tablespaces

單項選擇題

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 archived redo logs.
c. Issue the alter database begin backup command.
d. Back up the database files.
e. Determine the beginning log sequence number.
f. Determine the ending log sequence number.
g. Force a log switch with the alter system switch logfile command.

A.a， b， c， d， e， f， g
B.c， d， a， b， e， g， f
C.f， d， b， g， a， c， e
D.e， c， d， a， g， f， b
E.a， f， b， g， e， c， d

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You backed up the database at 8 a.m. today using an online backup. Accounting made a large change to the underlying data between 10 a.m. and noon. Which of the following actions would ensure that the changes could be recovered using the 8 a.m. backup？（）

你可能感興趣的試題

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？（）

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You backed up the database at 8 a.m. today using an online backup. Accounting made a large change to the underlying data between 10 a.m. and noon.
Which of the following actions would ensure that the changes could be recovered using the 8 a.m. backup？（）

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？（）