Which four actions are possible during an Online Data file Move operation?（）

• A、Creating and dropping tables in the data file being moved
• B、Performing file shrink of the data file being moved
• C、Querying tables in the data file being moved
• D、Performing Block Media Recovery for a data block in the data file being moved
• E、Flashing back the database
• F、Executing DML statements on objects stored in the data file being moved