1Z0-053單項(xiàng)選擇題每日一練(2019.01.13)

Examine the output of the query that you executed to list the objects in the recycle bin:

You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin:
SQL> PURGE TABLE sales_tab;
What would be the outcome of this command?（）

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？（）