單項(xiàng)選擇題

You executed the following command in the Recovery Manager （RMAN）：
RMAN> REPORT NEED BACKUP days 3；
What is the output of this command？（）

A. A list of files that require a backup within 3 days
B. A list of files requiring more than 3 days of archivelogs to apply
C. A list of files that RMAN recommends be backed up only once in every three days，based on low volatility
D. A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

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單項(xiàng)選擇題

Which statement about recovering from the loss of a redo log group is true?（）

A. If the lost redo log group is ACTIVE, you should first attempt to clear the log file.
B. If the lost redo log group is CURRENT, you must clear the log file.
C. If the lost redo log group is ACTIVE, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
D. If the lost redo log group is CURRENT, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.

單項(xiàng)選擇題

Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one
redo member. When you attempt to start the database, you receive the following errors:
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: 'D:\REDO01.LOG'
You discover that the online redo log file of the current redo group is corrupted.
Which statement should you use to resolve this issue?（）

A. ALTER DATABASE DROP LOGFILE GROUP 1;
B. ALTER DATABASE CLEAR LOGFILE GROUP 1;
C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D. ALTER DATABASE DROP LOGFILE MEMBER 'D:\REDO01.LOG

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You executed the following command in the Recovery Manager （RMAN）： RMAN> REPORT NEED BACKUP days 3； What is the output of this command？（）

你可能感興趣的試題

Which statement about recovering from the loss of a redo log group is true?（）

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You executed the following command in the Recovery Manager （RMAN）：
RMAN> REPORT NEED BACKUP days 3；
What is the output of this command？（）