YouaremanaginganOracleDatabase10gdatabasethatusesOracleManagedFiles(OMF).Youenabledtheblockchangetra

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A.Oneblockchangetrackingfileiscreatedforeachdatafile.Bydefault，thefileiscreatedinDB_CREATE_FILE_DEST.

B.Oneblockchangetrackingfileiscreatedforeachdatafile.Bydefault，thefileiscreatedinBACKGROUND_DUMP_DEST.

C.Oneblockchangetrackingfileiscreatedforthedatabase.Bydefault，thefileiscreatedinDB_CREATE_FILE_DEST.

D.Oneblockchangetrackingfileiscreatedforthedatabase.Bydefault，thefileiscreatedinBACKGROUND_DUMP_DEST.

参考答案:

参考C