文档解释 ORA-32135: Cannot assign FILEs Cause: An open stream exists on the target FILE. Action: Close the stream on the target FILE before assignin……

文档解释 ORA-22341: cannot assign supertype instance to subtype Cause: An attempt was made to assign or copy a supertype instance to a container (de……

文档解释 ORA-32134: Cannot assign LOBs Cause: An open stream exists on the target LOB. Action: Close the stream on the target LOB before assigning t……