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

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