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Which statements are true about logical structures of the Oracle database（）
- A、Each segment contains one or more extents.
- B、Multiple tablespaces can share a single data file
- C、A data block is the smallest unit of input/output （I/O） in data files.
- D、It is possible to have tablespaces of different block sizes in a database.
- E、Each data block in the database always corresponds to one operating system block
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更多 “Which statements are true about logical structures of the Oracle database（）A、Each segment contains one or more extents.B、Multiple tablespaces can share a single data fileC、A data block is the smallest unit of input/output （I/O） in data files.D、It is possible to have tablespaces of different block sizes in a database.E、Each data block in the database always corresponds to one operating system block” 相关考题
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