all of the following tools and techniques are helpful to acurately confirming customers needs except （）
 

You opened the encryption wallet and then issued the following command:

Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.
What is the outcome?（）

These tips may help you avoid ________ bad employees for your company.

— Hello. Sky Travel Agency. May I help you?

—                        

On their arrival, you should ______the following points.

—Good morning, Sunshine Community Center! May I help you?

—                     .

You use the segment advisor to help determine objects for which space may be reclaimed.
Which three statements are true about the advisor given by the segment advisor?（）