第 10 题 (多选题)： While one of your databases was in mount state, the datafiles were renamed because they had been moved to a new file system The database was then opened Which two statements are true.

A. DBA_DATA_FILES displays both the new name and the old name for the data files . B. DBA_DATA_FILES displays the original name for the data files. C. V$DATAEILE displays the new names for the data files. D. DBA_DATA_FILES must be resynchronized manually with the control file in order to have it display the new file names. E. DBA_DATA_FILES displays the new name for the data files 显示答案