For a tablespace created with automatic segment-space management, where is free space
managed?
A. In the extent
B. In the control file
C. In the data dictionary
D. In the undo tablespace
Answer: D
为什么会是在undo tablespace呢,我怎么没有在SG上看到啊,严重怀疑我得眼睛哦
谁能解释一下为什么在undo tablespace么?
最初由 cursedskull 发布
[B]For a tablespace created with automatic segment-space management, where is free space
managed?
A. In the extent
B. In the control file
C. In the data dictionary
D. In the undo tablespace
Answer: D
为什么会是在undo tablespace呢,我怎么没有在SG上看到啊,严重怀疑我得眼睛哦
谁能解释一下为什么在undo tablespace么? [/B]
其实OCP的题也是很难出的.
因为多数刚考的同学都没有概念很清晰,底层原理就了解得更少了.
总不能在这个题中加入E. In the bitmap block这种选项吧.
所以只能出个SG中已讲到过的概念,更上层的A. In the extent了.