Oracle 11g OCP认证052考试题库(74)-CUUG内部学员版
最新学讯:近期OCP认证正在报名中,因考试人员较多请尽快报名获取最近考试时间,报名费用请联系在线老师,甲骨文官方认证,报名从速!
我要咨询11g版本的OCP考试持续了好几年,一直比较稳定,直到2018年4月份左右,052考试不断的出现新的考题,虽然我们收集整理了不少,但新题还是难避免,这样出现一部分新题,我们收集一部分,持续了不短的时间。
对于这些052考试新题,不仅老师给出了答案,学员也积极的找资料、查文档,形成了一份内部综合版本,通过分数非常高,一起渡过这次052考试的难关。
-----------------------------------------------
052考试题-74(OCP考试题库讨论群:101-5267-481 验证:ocp)
Which three are true about UNDO segments and UNDO tablespaces in the same database and instance ?
A)A database can have multiple UNDO tablespaces.
B)UNDO segments are automatically dropped shortly after transactions that use them commit
C)Multiple transactions run by different Oracle users can share a single UNDO segment.
D)Multiple transactions run by the same Oracle user can share a single UNDO segment.
E)A serial transaction can use multiple UNDO segments
F)A new UNDO segment is always created for each transaction
Answer: ACD
赵:
B 译:撤销段在使用撤销段的事务提交后不久就会自动删除。