Examine the following commands for redefining a table with Virtual Private Database (VPD) policies: Which two statements are true about redefining the table?（）

• A、All the triggers for the table are disabled without changing any of the column names or column types in the table.
• B、The primary key constraint on the EMPLOYEES table is disabled during redefinition.
• C、VPD policies are copied from the original table to the new table during online redefinition.
• D、You must copy the VPD policies manually from the original table to the new table during online redefinition.