單項選擇題

Examine the following scenario： The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host， using the Recovery Manager （RMAN） duplicate command as follows：
RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK；
DUPLICATE TARGET DATABASE TO auxdb； }
Which statement is true about the duplicate database in this scenario？（）

A. It contains data till the last backup
B. It contains all data from target database until the current time
C. It contains all data from only the committed transactions in the target database
D. It contains all data except that which is used by the transactions in the current online redo file of target database

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多項選擇題

The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option？（）

A. Control files
B. Password files
C. Inactive online redo log file
D. Archived log files required to perform recovery
E. Newly created tablespace which is not backed up

單項選擇題

Your database interface is running. A user SCOTT starts a SQL Plus session， and issues the following query：
SQL> SELECT FROM sales；
Which process would retrieve the result from the database and return it to the client program？（）

A. User process
B. Server process
C. System Monitor （SMON）
D. Process Monitor （PMON）
E. Checkpoint process （CKPT）

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你可能感興趣的試題

The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option？（）

Your database interface is running. A user SCOTT starts a SQL *Plus session， and issues the following query： SQL> SELECT * FROM sales； Which process would retrieve the result from the database and return it to the client program？（）

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The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option？（）

Your database interface is running. A user SCOTT starts a SQL Plus session， and issues the following query：
SQL> SELECT FROM sales；
Which process would retrieve the result from the database and return it to the client program？（）