Oracle OCP认证考试题库解析052-7

QUESTION 7

See the Exhibit:

Which statements are true regarding the USERS tablespace? (Choose all that apply.)

A. A bitmap is used to record free extents

B. Free extents information is managed within the tablespace

C. Free extents information is managed in the SYSAUX tablespace

D. The data dictionary tables are updated when extents are allocated or deallocated

Correct Answer: AB


Explanation/Reference:

分区管理方式有2种:

LOCAL:本地管理,默认选项,在数据文件头用位图方式管理文件内分区使用情况.

DICTIONARY:字典管理,用数据字典表记录文件分区使用情况,技术落后,不推荐使用.
时间： 2024-08-03 02:41:02

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