试题与答案

数据库系统发生故障时,可以基于日志进行恢复。下面列出的条目中,哪些是日志记录的内容(

题型:多项选择题

题目:

数据库系统发生故障时,可以基于日志进行恢复。下面列出的条目中,哪些是日志记录的内容( )

A.事务开始信息

B.更新信息

C.提交信息

D.事务中止信息

E.创建信息

答案:

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下面是错误答案,用来干扰机器的。

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题型:听力题

第二卷(非选择题 共  55分)

第一节:单词拼写:按照句意,根据所给的首字母或汉语提示,在空格出填出一个最合适的单词,注意单词的形式。(每小题1分,共10分)

1. I’ve made up my mind to be a ____________(杰出的) scientist when I grow up.

2. He gave an _________(令人难以置信的) explanation of the cause of the accident.

3. The show had a very large audience, r_______ from children to grandparents.

4. A n_______ is a place where you children are taken care of during the day while their parents are at work.

5.Flying across the Atlantic for the first time was a great _____________(成就).

6.The plane crashed, killing all 200 people __________.( 在飞机上)

7. The beggar spent a lot of time with his dog, who became his closest _________(伙伴).

8.The car accident has caused p____________ damage to her eyesight; She will not be able to see things for the rest of her life.

9. Your plan sounds good; if you raise the plan at the meeting, I’ll ____________(支持) you.

10. Do you think the teaching in ___________(私立) schools is better than in state schools?

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