1Z0-053單項選擇題每日一練(2019.01.18)

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

In your database， the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file. You issued the following command：  
SQL>SELECT /*+ RESULT_CACHE */ sale_category， sum（sale_amt） FROM sales 
GROUP BY sale_category；  
Where would the result of this query be stored（）？