Examine the following command that is used to duplicate a database on the same host: Which two statements describe the effect after the database is duplicated successfully? （）

• A、The data files of the read-only tablespaces in the target database are not duplicated
• B、The read-only tablespaces in the target database are still defined in new the database
• C、The read-only tablespaces in the target database are changed to online after duplication
• D、The data files of the read-only tablespaces in the target database get duplicated
• E、The read-only tablespaces in the target database are not defined in the new database