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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.来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/17013648/viewspace-1176652/ ,如需转载,请注明出处,否则将追究法律责任。