You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）A、Immediately following statement execution B、After the ALTER TABLE DROP UNUSED

题目

You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）

  • A、Immediately following statement execution 
  • B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued 
  • C、After the ALTER TABLE SET UNUSED COLUMN command is issued 
  • D、After the ALTER TABLE MODIFY command is issued
相似考题

1.--Have you finished your first paper?--_______, Just half of it, how about you?A．Not at allB．Not likelyC．Not a bitD．Not yet

2.I just wonder if ( )ever( )that you could have your own enterprise and run it yourself when you were still a student.A、it.occurredB、you.occurred to itC、it.occurred to youD、you.occurred

3.I know this book is just which you wanted.A.Wrong.B.Right.

4.Cindy: if you don't like where you're living, why don't just move?Joe: ______

更多“You just issued̳”相关问题

  • 第1题：

    How is everything going?

    (),we've been quite busy this month and there's been quite a lot of progress since the last inspection.

    A. You can just look

    B. As you can see

    C. Please just look around


    参考答案：B

  • 第2题：

    Young as you are, you might be just smart enough to ___ her off her throne.

    A、cheer

    B、exclude

    C、tumble

    D、humor


    正确答案:C

  • 第3题：

    If Father scolds you, it's ( ) he wants you to set your mind on study.

    A、for that

    B、in that

    C、because that

    D、just that


    参考答案：D

  • 第4题：

    You will find as you read this book that you just can't keep some of these stories to ___. You will want to share them with a friend.

    A、itself

    B、yourself

    C、himself

    D、themselves


    参考答案：B

  • 第5题：

    Sara: Mind if I call you Albert?

    Albert: ______.

    A、Yes,just call me Al

    B、Yes,you may do that

    C、OK.Everyone does

    D、Of course not.But just a plain ‘Al’ will do


    参考答案：D

  • 第6题：

    You have just issued the command commit confirmed and your network continues to be operational with no further changes required. You issue a commit and-quit. A short time later, users start complaining about network problems. Which commands (in order) need to be entered to resolve this issue?（）

    A.A

    B.B

    C.C

    D.D


    参考答案：B

  • 第7题：

    You are signing on a deck officer，who will be designated as one of the GMDSS operators，before sailing foreign．Which statement is TRUE ________．

    A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”

    B.He/she must present either an FCC-issued license or a Coast Guard-issued license

    C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license

    D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”


    正确答案：A

  • 第8题：

    I don't want you to make any trouble,（）, I urge you to solve the problem.

    • A、thus
    • B、consequently
    • C、on the contrary
    • D、just as

    正确答案:C

  • 第9题：

    单选题
    A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE? （）
    A

    The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles.

    B

    If the vessel was on coastwise articles，the record of discharge will be made in the Official Logbook.

    C

    An entry should be made in the book and a Certificate of Discharge issued to the seaman.

    D

    A Certificate of Discharge form should be attached to the book


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Does everyone in your office always agree all the time？ When someone makes a suggestion， does everyone just smile and nod in agreement？ When you bring forward an idea， do people just accept t？ Well， if you answered yes" to any of these questions， you are in an extremely unusual workplace. People are people. And people butt heads.They disagree， they argue， and they fight. You can’t get around it. But you can learn to deal with it To hold your own， you need to learn how to argue effectively. If you’ve got an opinion， you need to defend it. And if you have a problem with something a colleague has done， you need to let tem know. This can make for some difficult discussions and meetings， but this is just a part of life and business skills. So how can you argue effectively？ Well， you need several. You need several skills to（）.
    A

     let your colleagues know

    B

     argue effectively

    C

     make for discussions and meetings


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Do you know the _____ of the saying I just quoted?
    A

    resource

    B

    source

    C

    course

    D

    cause


    正确答案： C
    解析：
    句意：你知道我刚才引用的那个俗语的来源吗？本题考查词义辨析。source来源。resource资源。course课程，路径。cause原因。根据题意，应选B项。

  • 第12题：

    单选题
    If，after examination by the Quarantine Officer，your vessel is found to have a specific deficiency，you may be issued（）.
    A

    Bill of health

    B

    Free Pratique

    C

    Notice to Comply

    D

    Controlled Free Pratique


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Why did you stop my car, police officer?

    ()You just ran a red light.

    A. Your driver's license please.

    B. I just want to.

    C. No why.


    答案：A

    解析：警官，为什么你拦下我？

    拿出你的驾驶证。你刚闯红灯了。





  • 第14题：

    Can I help you? No, thanks._________.

    A. I just look around

    B. I am just looking

    C. I would like to look

    D. I will buy nothing


    正确答案：B   

  • 第15题：

    The young man ____ is an engineer of our factory.

    Athat you just talked

    Bwhom you just talked to

    Cwhich you just talked to

    Dwho you just talked


    正确答案：B

  • 第16题：

    You opened the encryption wallet and then issued the following command:Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.What is the outcome?（）

    A. It creates the table and encrypts the data in it.

    B. It generates an error because the wallet is closed.

    C. It creates the table but does not encrypt the data in it.

    D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.


    参考答案：B

  • 第17题：

    You have just issued the command user@router save current.conf.Assuming the default settings, where in the file system is current.conf saved?()

    A. /var/tmp/

    B. /var/config/saved/

    C. /var/home/user/

    D. /config/


    参考答案：C

  • 第18题：

    A seaman you have just discharged has a Continuous Discharge Book. Which statement is TRUE?

    A.The record of entry in the continuous discharge book shall agree with the entry made in the Ship's Articles

    B.If the vessel was on coastwise articles，the record of discharge will be made in the Official Logbook

    C.An entry should be made in the book and a Certificate of Discharge issued to the seaman

    D.A Certificate of Discharge form should be attached to the book


    正确答案：A

  • 第19题：

    Mary has just called and asked__to have lunch with her tomorrow.

    A.you and I
    B.you and me
    C.I and you
    D.me and you

    答案：B
    解析：
    作ask的宾语需用宾格me。

  • 第20题：

    You have just issued the command user@router# save current.conf.Assuming the default settings, where in the file system is current.conf saved?（）

    • A、/var/tmp/
    • B、/var/config/saved/
    • C、/var/home/user/
    • D、/config/

    正确答案:C

  • 第21题：

    单选题
    As soon as you hear the fire and emergency signal, you should ensure that the （）.
    A

    ring buoys are thrown overboard

    B

    engines are stopped

    C

    fire pumps are started

    D

    life preservers have been issued to everyone


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Does everyone in your office always agree all the time？ When someone makes a suggestion， does everyone just smile and nod in agreement？ When you bring forward an idea， do people just accept t？ Well， if you answered yes" to any of these questions， you are in an extremely unusual workplace. People are people. And people butt heads.They disagree， they argue， and they fight. You can’t get around it. But you can learn to deal with it To hold your own， you need to learn how to argue effectively. If you’ve got an opinion， you need to defend it. And if you have a problem with something a colleague has done， you need to let tem know. This can make for some difficult discussions and meetings， but this is just a part of life and business skills. So how can you argue effectively？ Well， you need several. The writer suggests that if you get an opinion, you need to（）.
    A

     get around it

    B

     learn how to deal with it 

    C

     argue in support of it


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You have just issued the command user@router# save current.conf.Assuming the default settings, where in the file system is current.conf saved?（）
    A

    /var/tmp/

    B

    /var/config/saved/

    C

    /var/home/user/

    D

    /config/


    正确答案： D
    解析： 暂无解析

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