Oracle认证考试

In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediat

题目

In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective？（）

  • A、 REBUILD
  • B、 CASCADE
  • C、 TRUNCATE
  • D、 ROW MOVEMENT
  • E、 SHRINK SPACE COMPACT
  • F、 SHRINK SPACE CASCADE
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相似问题和答案

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Either you or one of your students ______ to attend the meeting that is due tomorrow.

A. are B. is C. have D. be


正确答案：B

第2题：

One of your crew members falls overboard from the starboard sida.You should IMMEDIATELY ______.

A.position your vessel to windward and begin recovery

B.apply left rudder

C.throw the crew member a life preserver

D.begin backing your engines


正确答案：C
船长向值班驾驶员下达的驾驶员必须遵守的是常规命令。

第3题：

We’d like to have a ________ talk with your security officer of your corps.

A.one by one

B.side-by-side

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正确答案：C

第4题：

If there were only one question left ,what would it most probably be?

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B.What is your biggest achievement?

C.What is your parents view of you?

D.What was your handest expenrience in the war?


正确答案：B

第5题：

Do you often write to your father ________ (one) a month?


正确答案：
31. once

第6题：

This () your first composition, I'll ask you to write a short one.

A、is

B、will be

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参考答案：D

第7题：

I'm sorry, your car must be out of use at the moment for one month(翻译)


参考答案：对不起，你的汽车现在必须得停用一个月。

第8题：

–How long will your holiday take? –____________________.

(A) About one month

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正确答案：A
解答参考：本题问“你的假期将持续多长时间”，B项仅指出了假期开始的日期， C项的时态不对，D项是一个日期，圴不符题意，故选A，“大约一个月”。

第9题：

need one. Afther hear your sad stories, he will say some 80. ____________


正确答案：
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第10题：

How should you signal the crane operator to move slowly ________．

A.Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa

B.Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired

C.First tap your elbow with one hand and then proceed to use regular signals

D.First tap the top of your head with your fist and then proceed to use regular signals


正确答案：A

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