单选题What does the TRUNCATE statement do?（）A Removes the tableB Removes all rows from a tableC Shortens the table to 10 rowsD Removes all columns from a tableE Removes foreign keys from a table

题目
单选题
What does the TRUNCATE statement do?（）
A

Removes the table

B

Removes all rows from a table

C

Shortens the table to 10 rows

D

Removes all columns from a table

E

Removes foreign keys from a table

相似考题

1.—Hi, Mike. _________________ after your graduation?—I want to be a photographer.A. What do you want to doB. What ‟s he want to doC. What does he want to doD. What are you want to do

2.__________. does he know what has happened . neither do i.A. A bitB.NoneC. LittleD. Much

3.Which of the following is closest in meaning to the statement “There are various... to do so” (Line 17-20)?［A］ Principles of history and philosophy are hard to deal with.［B］ People like to see what other people do for their own model.［C］ The educated are more susceptible to errors in their daily life.［D］ That everyone does the same may not prove they are all right.

4.– ()– I think our marketing team is qualified and the after－sales service is fast and effective.A、What does your team do?B、What are the disadvantages?C、What about our strengths?

更多“What does the TRUNCATE statement do?（）”相关问题

  • 第1题：

    Roger: What does your sister-in-law do?

    Cindy: ______


    正确答案：B
    首先应读懂上文，后进行逻辑推理，选择填充词句。上文意为“你嫂子是干什么工作的?”这种句型是用来问某人的职业。sister-in-law是指嫂子，小姨子，小姑子，弟妹等这一辈女性亲戚。所填充的词句意为“她是位工程师。”

  • 第2题：

    A:What does your mother do? B:( ).

    A. She does shopping once a week

    B. She tells stories to my daughter every evening

    C. She is a clerk in a bank


    答案：C

  • 第3题：

    What does the ThreadStatic attribute do?

    (线程静态成员的作用是什么)


    正确答案：
     

  • 第4题：

    Which of the following may illustrate the difference between "competence" and__________ "performance"?

    A．What a person "knows" and what he/she "does".
    B．What a person "can do" and what he/she "does".
    C．What a person "does" and what he/she "knows".
    D．What a person "does" and what he/she "can do".

    答案：A
    解析：
    考查语言学知识。competence“语言能力”，指语言使用者对于语言规则系统的潜在意识；performance“语言运用”，指在具体场景中语言的实际运用，二者对应的分别为“knows”和“does”。故选A。

  • 第5题：

    What does Peter do?（）

    AHe's good at fixing things.

    BHe can speak good German.

    CHe does the washingup after supper

    DHe's a language teacher.


    D
    略

  • 第6题：

    （）He teaches physics in a school.

    • A、What does your father want to do?
    • B、Who is your father?
    • C、What is your father? 
    • D、Where is your father now?

    正确答案:C

  • 第7题：

    When does a transaction complete?（）

    • A、when a DELETE statement is executed 
    • B、when a ROLLBACK command is executed 
    • C、when a PL/SQL anonymous block is executed 
    • D、when a data definition language (DDL) statement is executed 
    • E、when a TRUNCATE statement is executed after the pending transact ion

    正确答案:B,D,E

  • 第8题：

    If an existing script is uploaded to the CRS, what does it ask?（）

    • A、Do you want to debug the script?  
    • B、Do you want to refresh the script?  
    • C、Do you want to save the application?  
    • D、Do you want to return to Script Management? 

    正确答案:B

  • 第9题：

    Evaluate the SQL statement:TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）

    • A、It releases the storage space used by the table.
    • B、It does not release the storage space used by the table.
    • C、You can roll back the deletion of rows after the statement executes.
    • D、You can NOT roll back the deletion of rows after the statement executes.
    • E、An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.
    • F、You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

    正确答案:A,D,F

  • 第10题：

    填空题
    What kind of work does he like to do?Work involving ____.

    正确答案： statistics
    解析：
    从文章的第二段最后一句“I am particularly interested in work involving statistics”可知，此处应填statistics。

  • 第11题：

    多选题
    Evaluate the SQL statement: TRUNCATE TABLE DEPT;Which three are true about the SQL statement? （）
    A

    It releases the storage space used by the table.

    B

    It does not release the storage space used by the table.

    C

    You can roll back the deletion of rows after the statement executes.

    D

    You can NOT roll back the deletion of rows after the statement executes.

    E

    An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.

    F

    You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table.


    正确答案： A,D,F
    解析： 暂无解析

  • 第12题：

    单选题
    What does your father do?（）
    A

    He is cleaning the street

    B

    He is forty

    C

    He is a farmer

    D

    He is all right


    正确答案： C
    解析： 暂无解析

  • 第13题：

    He says what he thinks and does what he wants to do,()other people's feelings.

    A. according to

    B. regardless of

    C. because of


    答案：B
    解析：本句意思：他想什么就说什么，想做什么就做什么，(不管)别人的感受。
    according to 根据；regardless of 不管，不顾 because of 由于;根据句意 ，应选B

  • 第14题：

    A:( ). B:She works in the Oxford University.

    A. What does your mother do?

    B. What do your parents do?

    C. What are your parents doing at the moment?


    答案：A

  • 第15题：

    What does Jackie Chan do?

    ____________


    正确答案：
    48. He is a movie actor.

  • 第16题：

    ――I'm looking for a shirt for my father．――＿＿＿＿Size 40．

    A.What size do you wear?
    B.What can I do for you?
    C.How about this one?
    D.What size does your father wear?

    答案：D
    解析：
    暂无解析

  • 第17题：

    I shall be surprised if he does this the same way（）I do.

    • A、as
    • B、which 
    • C、like 
    • D、what

    正确答案:A

  • 第18题：

    You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）

    • A、A text copy of the control file.
    • B、A binary copy of the control file.
    • C、A file containing a SQL statement which will re-create the database.
    • D、A file containing a SQL statement which will re-create the control file.

    正确答案:D

  • 第19题：

    What does the TRUNCATE statement do?（）

    • A、Removes the table
    • B、Removes all rows from a table
    • C、Shortens the table to 10 rows
    • D、Removes all columns from a table
    • E、Removes foreign keys from a table

    正确答案:B

  • 第20题：

    What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?（）

    • A、It fails with the ORA-665610 Invalid DDL statement on history-tracked message
    • B、The rows in the table are truncated without being archived.
    • C、The rows in the table are archived, and then truncated.
    • D、The rows in both the table and the archive are truncated.

    正确答案:A

  • 第21题：

    单选题
    — ______?　　—I know he spends at least much time watching TV as he does doing his lessons.
    A

    Do you know what Tom does all day

    B

    Do you know how Tom does his lessons

    C

    How do you like Tom’s holiday

    D

    What does Tom do with his TV


    正确答案： A
    解析：
    句意：——你知道Tom整天做什么吗？——我知道他每天至少花同样的时间看电视和做作业。根据答语可知，此处询问Tom做什么，do you know之后是宾语从句，要用陈述句语序。故答案是A项。

  • 第22题：

    单选题
    What does the speaker suggest people do when they are running?
    A

    Keep silent

    B

    Wear comfortable shoes

    C

    Chat and smile


    正确答案： C
    解析：
    说话者指出参加者在加入该俱乐部之前觉得训练是痛苦的，她们没有想到在跑步经过美丽的地方时进行chatting and smiling（聊天和微笑），可见说话者建议人们跑步的时候进行交谈和微笑。

  • 第23题：

    多选题
    When does a transaction complete?（）
    A

    when a DELETE statement is executed

    B

    when a ROLLBACK command is executed

    C

    when a PL/SQL anonymous block is executed

    D

    when a data definition language (DDL) statement is executed

    E

    when a TRUNCATE statement is executed after the pending transact ion


    正确答案： D,C
    解析： 暂无解析

  • 第24题：

    单选题
    What does the TRUNCATE statement do?（）
    A

    Removes the table

    B

    Removes all rows from a table

    C

    Shortens the table to 10 rows

    D

    Removes all columns from a table

    E

    Removes foreign keys from a table


    正确答案： C
    解析： 暂无解析

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