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OCP2018最新題庫,052新題庫及答案整理-25題

segments -o type ans log ora lock database contain

25、Which is true about logical and physical database structures? (Choose the best answer)

? A. An undo tablespace has a temp file instead of a data file.

? B. A segment can consist of extents of different sizes.

? C. A permanent tablespace can only contain tables segments and index segments.

? D. A tablespace can consist of data blocks of different sizes.

? E. An extent always consists of physically contiguous data blocks in storage.

? Correct Answer: B
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OCP2018最新題庫,052新題庫及答案整理-25題