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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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出自：Oracle认证

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