$> expdp hr/hr DIRECTORY=dumpdir DUMPFILE=empl.dmp VIEWS_AS_TABLES=emp_dept

On the target database, you run this command:

impdp hr/hr DIRECTORY=dumpdir DUMPFILE=empl.dmp VIEWS_AS_TABLES=emp_dept

Which two statements are true?

A) The expdp operation exports the table definitions for tables that are queried in the emp dept view.

B) The impdp operation creates emp_dept as a view.

C) The expdp operation exports all rows that are displayed when querying the emp_dept view with no filter.

D) The expdp operation exports all rows for tables contained in the defining query of the emp_dept view.

E) The impdp operation creates separate tables for each table contained in the defining query of the EMP_DEPT View.

F) The impdp operation creates emp_dept as a table.

Answer：CE

(解析：實驗證明 VIEWS_AS_TABLES 導出時會導出視圖中查詢到的數據，導入時會把 emp_dept 當作表創建。C 答案的意思是：expdp 操作將導出查詢 EMP_DEPT 視圖時顯示的所有行，而不使用過濾器，所以正確。D 答案的意思是：expdp 操作將導出 EMP_DEPT 視圖定義中包含的表的所有行，導出的是表的所有行，所以不對。E 答案是將為 emp_dept 視圖中涉及到的表單獨創建各自的表，其實是就建立一個表 emp_dept。本題的難度在於對答案的英文理解。來自3組：1015267481)

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