OCP考试052考题:1Z0-V8.02-第23题
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23. Note the following structures in your database server:
1: Extents
2: OS Blocks
3: Tablespace
4: Segments
5: Oracle Data Block
Which option has the correct arrangement of these structures from the smallest to the largest?
A.2, 5, 1, 4, 3
B.1, 2, 3, 4, 5
C.5, 2, 1, 3, 4
D.2, 1, 5, 4, 3
Answer: A
答案解析:
Oracle存储模型,逻辑结构在左,物理结构在右。
逻辑结构由大到小
database-->tablespace-->segment-->extent-->Oracle data block