Which two statements are correct about database transportation？（）
- A The source and target platforms must be the same
- B Redo logs，control files and temp files are also transported
- C The transported database must have the same database identifier （DBID） as the source database and cannot be changed
- D The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
- E Recovery Manager （RMAN） is used to convert the necessary data files of the database if the target platform is different and has different endian format