USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methodswould you use to achieve this?()
A:Use Data Pump to transfer the existing data to a new encrypted tablespace
B:Use ALTER TABLE MOVE to transfer the existing data to a new encrypted tablespace
C:Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace
D:Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt the tablespace
E:Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatically encrypted
出自:Oracle认证