Which statement creates a new user?（）A、CREATE USER susan;B、CREATE OR REPLACE USER susan;C、CREATE NEW USER susan DEFAULT;D、CREATE USER susan IDENTIFIED BY blue;E、CREATE NEW USER susan IDENTIFIED by blue;F、CREATE OR REPLACE USER susan IDENTIFIED B

题目

Which statement creates a new user?（）

  • A、CREATE USER susan;
  • B、CREATE OR REPLACE USER susan;
  • C、CREATE NEW USER susan    DEFAULT;
  • D、CREATE USER susan    IDENTIFIED BY blue;
  • E、CREATE NEW USER susan   IDENTIFIED by blue;
  • F、CREATE OR REPLACE USER susan   IDENTIFIED BY blue;
相似考题

1.Which statement creates a new user? ()A. CREATIVE USER susan;B. CREATIVE OR REPLACE USER susan;C. CREATE NEW USER susan DEFAULTD. CREATE USER susan IDENTIFIED BY blue;E. CREATE NEW USER susan IDENTIFIED BY blue;F. CREATE OR REPLACE USER susan IDENTIFIED BY blue;

2.Given that the current directory is empty, and that the user has read and write privileges to the current, and the following:Which statement is true?()A.Compilation fails.B.Nothing is added to the file system.C.Only a new file is created on the file system.D.Only a new directory is created on the file system.E.Both a new file and a new directory are created on the file system.

3.Examine the structure if the EMPLOYEES and NEW EMPLOYEES tables:Which MERGE statement is valid?()A.B.C.D.

4.Examine the following command that is executed for the TRANSPORT table in the SH schema:Which statement describes the significance of this command?()A. It collects statistics into the pending area in the data dictionaryB. It creates a virtual hidden column in the CUSTOMERS_OBE tableC. It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENTD. It creates a histogram to hold skewed information about the data in the columns

更多“Which statement creates a new us”相关问题

  • 第1题：

    Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:Which UPDATE statement is valid?()

    A.

    B.

    C.

    D.


    参考答案：A

  • 第2题：

    Which of the following shows the proper rhythmical pattern of the sentence?

    A．′Come to ′see us at our ′new a′partment.
    B．′Come to ′see us at′our new ′apartment.
    C．′Come to ′see us ′at our ′new ′apartment.
    D．′Come to ′see us ′at our ′new a′partment.

    答案：A
    解析：
    考查句子重读。一般来说，句子中的实词需要重读，比如名词、动词、形容词、副词、数词等。虚词多数情况下不重读，比如冠词、介词、物主代词(形容词性)、连词、感叹词等。故A项正确。

  • 第3题：

    Which of the following will begin a new unit of work?（）

    • A、The CONNECT statement
    • B、The first FETCH of a cursor
    • C、The BEGIN TRANSACTION statement
    • D、The first executable SQL statement

    正确答案:D

  • 第4题：

    All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses， each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor， like this： 42. 43.webmasterEmail 44.master@example.com 45. Which JSP code snippet creates this email link？（）

    • A、<a href=’mailto：${contextParam.webmasterEmail}’>contact us</a>
    • B、<a href=’mailto：${applicationScope.webmasterEmail}’>contact us</a>
    • C、<a href=’mailto：${contextInitParam.webmasterEmail}’>contact us</a>
    • D、<a href=’mailto：${initParam.webmasterEmail}’>contact us</a>

    正确答案:D

  • 第5题：

    Which three are true?（）

    • A、A MERGE statement is used to merge the data of one table with data from another.
    • B、A MERGE statement replaces the data of one table with that of another.
    • C、A MERGE statement can be used to insert new rows into a table.
    • D、A MERGE statement can be used to update existing rows in a table.

    正确答案:A,C,D

  • 第6题：

    单选题
    All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses， each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor， like this： 42. 43.webmasterEmail 44.master@example.com 45. Which JSP code snippet creates this email link？（）
    A

    <a href=’mailto：${contextParam.webmasterEmail}’>contact us</a>

    B

    <a href=’mailto：${applicationScope.webmasterEmail}’>contact us</a>

    C

    <a href=’mailto：${contextInitParam.webmasterEmail}’>contact us</a>

    D

    <a href=’mailto：${initParam.webmasterEmail}’>contact us</a>


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement？（）
    A

     The SGA Tuning Advisor

    B

     The SQL Access Advisor

    C

     The SQL Tuning Advisor

    D

     The Memory Advisor


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    Which statement creates a new user? （）
    A

    CREATIVE USER susan;

    B

    CREATIVE OR REPLACE USER susan;

    C

    CREATE NEW USER susan DEFAULT

    D

    CREATE USER susan IDENTIFIED BY blue;

    E

    CREATE NEW USER susan IDENTIFIED BY blue;

    F

    CREATE OR REPLACE USER susan IDENTIFIED BY blue;


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following would most likely agree with the statement that it cannot be a module (line 106)?
    A

    Noam Chomsky

    B

    modern cognitive scientists

    C

    philosophers from pre-1950

    D

    modern comparative linguists

    E

    adults who are learning a new language


    正确答案： D
    解析：
    宣称语言是习得的，而不是一个模块；想法是言语行为的形式（105-107）的想法归功于上个世纪五十年代的那些哲学家和学者，他们在语言是如何习得方面几乎达成一致（100行）。乔姆斯基，大部分现代认知学家和大部分现代语言学家认为人类大脑天生就有内在的语言学习结构。

  • 第10题：

    多选题
    Which three are true?（）
    A

    A MERGE statement is used to merge the data of one table with data from another.

    B

    A MERGE statement replaces the data of one table with that of another.

    C

    A MERGE statement can be used to insert new rows into a table.

    D

    A MERGE statement can be used to update existing rows in a table.


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    多选题
    Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（）
    A

    The declaration on line 2 does not allocate memory space for the variable myVect.

    B

    The declaration on line 2 allocates memory space for a reference to a Vector object.

    C

    The statement on line 2 creates an object of class Vector.

    D

    The statement on line 3 creates an object of class Vector.

    E

    The statement on line 3 allocates memory space for an object of class Vector.


    正确答案： B,C
    解析： SL-275中指出：要为一个新对象分配空间必须执行new Xxx（）调用，new调用执行以下的操作： 
    1．为新对象分配空间并将其成员初始化为0或者null。 
    2．执行类体中的初始化。（例如在类中有一个成员声明int a=10；在第一步后a=0 ，执行到第二步后a=10）    
    3．执行构造函数。 
    4．变量被分配为一个到内存堆中的新对象的引用。

  • 第12题：

    多选题
    Examine the SQL statements that creates ORDERS table: For which columns would an index be automatically created when you execute the above SQL statement? （）
    A

    SER_NO

    B

    ORDER_ID

    C

    STATUS

    D

    PROD_ID

    E

    ORD_TOTAL

    F

    Composite index on ORDER_ID and ORDER_DATE


    正确答案： C,F
    解析： 暂无解析

  • 第13题：

    Examine the SQL statements that creates ORDERS table:For which columns would an index be automatically created when you execute the above SQL statement? ()

    A. SER_NO

    B. ORDER_ID

    C. STATUS

    D. PROD_ID

    E. ORD_TOTAL

    F. Composite index on ORDER_ID and ORDER_DATE


    参考答案：A, F

  • 第14题：

    The IBM Maximo Asset Management V6.2 administrator creates a new Start Center with updated Key Performance Indicators.  Which application must be used to associate the Start Center to users？ （）

    • A、 Users
    • B、 People
    • C、 Organizations
    • D、 Security Groups

    正确答案:D

  • 第15题：

    Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

    • A、 The declaration on line 2 does not allocate memory space for the variable myVect.
    • B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
    • C、 The statement on line 2 creates an object of class Vector.
    • D、 The statement on line 3 creates an object of class Vector.
    • E、 The statement on line 3 allocates memory space for an object of class Vector.

    正确答案:A,D,E

  • 第16题：

    Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement？（）  

    • A、 The SGA Tuning Advisor
    • B、 The SQL Access Advisor
    • C、 The SQL Tuning Advisor
    • D、 The Memory Advisor

    正确答案:C

  • 第17题：

    Examine the following steps performed on a database instance： 1. The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION. 2. The SKD user creates a table. 3. The SKD user grants the CREATE TABLE system privilege to the HR user. 4. The HR user creates a table. 5. The DBA revokes the CREATE TABLE system privilege from SKD.  Which statement is true after step 5 isperformed（）

    • A、The table created by SKD is not accessible and SKD cannot create new tables.
    • B、The tables created by SKD and HR remain， but both cannot create new tables.
    • C、The table created by HR remains and HR still has the CREATE TABLE system privilege.
    • D、The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.

    正确答案:C

  • 第18题：

    单选题
    Which of the following identifies and creates an index to minimize the DB time for a particular SQL statement?（）
    A

    The SGA Tuning Advisor

    B

    The SQL Access Advisor

    C

    The SQL Tuning Advisor

    D

    The Memory Advisor


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    Which of the following will begin a new unit of work?（）
    A

    The CONNECT statement

    B

    The first FETCH of a cursor

    C

    The BEGIN TRANSACTION statement

    D

    The first executable SQL statement


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    The IBM Maximo Asset Management V6.2 administrator creates a new Start Center with updated Key Performance Indicators.  Which application must be used to associate the Start Center to users？ （）
    A

     Users

    B

     People

    C

     Organizations

    D

     Security Groups


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Given: Which code, inserted at line 15, creates an instance of the Point class defined in Line?（）
    A

    Point p = new Point();

    B

    Line.Point p = new Line.Point();

    C

    The Point class cannot be instatiated at line 15.

    D

    Line l = new Line() ; l.Point p = new l.Point();


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    Examine the following steps performed on a database instance： 1. The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION. 2. The SKD user creates a table. 3. The SKD user grants the CREATE TABLE system privilege to the HR user. 4. The HR user creates a table. 5. The DBA revokes the CREATE TABLE system privilege from SKD.  Which statement is true after step 5 isperformed（）
    A

    The table created by SKD is not accessible and SKD cannot create new tables.

    B

    The tables created by SKD and HR remain， but both cannot create new tables.

    C

    The table created by HR remains and HR still has the CREATE TABLE system privilege.

    D

    The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Given that the current directory is empty， and that the user has read and write privileges to the current directory， and the following： Which statement is true？（）
    A

    Compilation fails.

    B

    Nothing is added to the file system.

    C

    Only a new file is created on the file system.

    D

    Only a new directory is created on the file system.

    E

    Both a new file and a new directory are created on the file system.


    正确答案： A
    解析： 暂无解析

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