You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables: EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME. The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary key DEPARTMENT_

题目

You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables: EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME. The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary key DEPARTMENT_ID column of the DEPARTMENTS table. You want to modify the view by adding a fourth column, MANAGER_ID of NUMBER data type from the EMPLOYEES tables. How can you accomplish this task?（）

  • A、ALTER VIEW EMP_dept_vu (ADD manger_id NUMBER);
  • B、MODIFY VIEW EMP_dept_vu (ADD manger_id NUMBER);
  • C、ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department _ id = d.department_id;
  • D、MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
  • E、CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
  • F、You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.
相似考题

1.Which SQL statement would you use to remove a view called EMP_DEPT_VU from your schema?()A. DROP emp_dept_uv;B. DELETE emp_dept_uv;C. REMOVE emp_dept_uv;D. DROP VIEW emp_dept_uv;E. DELETE VIEW emp_dept_uv;F. REMOVE VIEW emp_dept_uv;

2.You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables:EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME.The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary keyDEPARTMENT_ID column of the DEPARTMENTS table.You want to modify the view by adding a fourth column, MANAGER_ID of NUMBER data type from the EMPLOYEES tables.How can you accomplish this task? （）A. ALTER VIEW EMP_dept_vu (ADD manger_id NUMBER);B. MODIFY VIEW EMP_dept_vu (ADD manger_id NUMBER);C. ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department _ id = d.department_id;D. MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;E. CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;F. You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.

3.On the Junos Pulse Access Control Service, you have created a role called Secret that you only want to provide to users who present a certificate.Using the admin GUI, which two features would you configure to satisfy this requirement?（）A. Sign-in PolicyB. Role Mapping RuleC. Role RestrictionsD. Trusted Server CA

4.You are granted the CREATE VIEW privilege. What does this allow you to do? ()A. Create a table view.B. Create a view in any schema.C. Create a view in your schema.D. Create a sequence view in any schema.E. Create a view that is accessible by everyone.F. Create a view only of it is based on tables that you created.

更多“You created a view called EMP_D”相关问题

  • 第1题：

    Emerson（）Transcendentalist.

    • A、called himself
    • B、did not like the term
    • C、never called himself
    • D、created the term

    正确答案:C

  • 第2题：

    Which SQL statement would you use to remove a view called EMP_DEPT_VU from your schema?（）

    • A、DROP emp_dept_uv;
    • B、DELETE emp_dept_uv;
    • C、REMOVE emp_dept_uv;
    • D、DROP VIEW emp_dept_uv;
    • E、DELETE VIEW emp_dept_uv;
    • F、REMOVE VIEW emp_dept_uv;

    正确答案:D

  • 第3题：

    The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? SELECT * FROM HR; （）

    • A、You obtain the results retrieved from the public synonym HR created by the database administrator.
    • B、You obtain the results retrieved from the HR table that belongs to your schema.
    • C、You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
    • D、You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
    • E、You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.

    正确答案:B

  • 第4题：

    Which two statements are true regarding views?（）

    • A、A subquery that defines a view cannot include the GROUP BY clause 
    • B、A view that is created with the subquery having the DISTINCT keyword can be updated 
    • C、A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated 
    • D、A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

    正确答案:C,D

  • 第5题：

    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）

    • A、Use the DESCRIBE command on the EMP_DEPT_VU view.
    • B、Use the DEFINE VIEW command on the EMP_DEPT_VU view.
    • C、Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.
    • D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
    • E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
    • F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.

    正确答案:D

  • 第6题：

    You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A SQL Server 2005 application is utilized by the company. A query is executed by the application to return three columns of the nvarchar data type and one column of the XML data type. A WHERE clause is utilized by the query， and all three of the nvarchar columns are contained by the WHERE clause. 5 million rows are included by the table， and 50，000 rows are returned by the query. The performance of the query should be enhanced. Which action should be performed to achieve the goal？（）

    • A、A primary XML index should be created on the XML column.
    • B、Statistics should be created on the nvarchar columns.
    • C、A view should be created， and only the four columns that the query utilizes are contained by a view.
    • D、A composite index should be created on the three nvarchar columns， and INCLUDE should be specified for the XML column.

    正确答案:D

  • 第7题：

    多选题
    Which two statements are true regarding views?（）
    A

    A subquery that defines a view cannot include the GROUP BY clause

    B

    A view that is created with the subquery having the DISTINCT keyword can be updated

    C

    A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated

    D

    A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table


    正确答案： A,B
    解析： 暂无解析

  • 第8题：

    多选题
    On the Junos Pulse Access Control Service, you have created a role called Secret that you only want to provide to users who present a certificate.Using the admin GUI, which two features would you configure to satisfy this requirement?（）
    A

    Sign-in Policy

    B

    Role Mapping Rule

    C

    Role Restrictions

    D

    Trusted Server CA


    正确答案： B,C
    解析： 暂无解析

  • 第9题：

    单选题
    You have created an ASP.NET server control named Shopping Cart for use by other developers. Some developers report that the Shopping Cart control does not function properly with ViewState disabled. You want to ensure that all instances of the Shopping Cart control work even if View State is disabled. What should you do？（）
    A

    Require developers to set EnableViewStateMac to true.

    B

    Store state in ControlState instead of ViewState.

    C

    Serialize the state into an Application state entry called MyControl.

    D

    Require developers to change the session state mode to SQLServer.


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    You are granted the CREATE VIEW privilege. What does this allow you to do?（）
    A

    Create a table view.

    B

    Create a view in any schema.

    C

    Create a view in your schema.

    D

    Create a sequence view in any schema.

    E

    Create a view that is accessible by everyone.

    F

    Create a view only of it is based on tables that you created.


    正确答案： E
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements about creating constraints are true?（）
    A

    Constraint names must start with SYS_C

    B

    All constraints must be defines at the column level.

    C

    Constraints can be created after the table is created.

    D

    Constraints can be created at the same time the table is created.

    E

    Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.


    正确答案： B,D
    解析： 暂无解析

  • 第12题：

    单选题
    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）
    A

    Use the DESCRIBE command on the EMP_DEPT_VU view.

    B

    Use the DEFINE VIEW command on the EMP_DEPT_VU view.

    C

    Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.

    D

    Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.

    E

    Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.

    F

    Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.


    正确答案： E
    解析： 暂无解析

  • 第13题：

    You are granted the CREATE VIEW privilege. What does this allow you to do?（）

    • A、Create a table view.
    • B、Create a view in any schema.
    • C、Create a view in your schema.
    • D、Create a sequence view in any schema.
    • E、Create a view that is accessible by everyone.
    • F、Create a view only of it is based on tables that you created.

    正确答案:C

  • 第14题：

    Which two statements about views are true? （）

    • A、A view can be created as read only.
    • B、A view can be created as a join on two or more tables.
    • C、A view cannot have an ORDER BY clause in the SELECT statement.
    • D、A view cannot be created with a GROUP BY clause in the SELECT statement.
    • E、A view must have aliases defined for the column names in the SELECT statement.

    正确答案:A,B

  • 第15题：

    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view? （）

    • A、Use the DESCRIBE command in the EMP_DEPT VU view.
    • B、Use the DEFINE VIEW command on the EMP_DEPT VU view.
    • C、Use the DESCRIBE VIEW command on the EMP_DEPT VU view.
    • D、Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
    • E、Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
    • F、Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.

    正确答案:D

  • 第16题：

    The customer and order tables are often used in joins， thereby resulting in complex queries. You created views to simplify the writing of queries. These views are stored in（）.

    • A、user tables
    • B、view segment
    • C、table segment
    • D、data dictionary
    • E、object segment
    • F、performance tables

    正确答案:D

  • 第17题：

    You have created an ASP.NET server control named Shopping Cart for use by other developers. Some developers report that the Shopping Cart control does not function properly with ViewState disabled. You want to ensure that all instances of the Shopping Cart control work even if View State is disabled. What should you do？（）

    • A、Require developers to set EnableViewStateMac to true.
    • B、Store state in ControlState instead of ViewState.
    • C、Serialize the state into an Application state entry called "MyControl".
    • D、Require developers to change the session state mode to SQLServer.

    正确答案:B

  • 第18题：

    TestKing.com uses SQL Server 2005. You are implementing a series of views that are used in ad hoc queries. The views are used to enforce TestKing.coms security policy of abstracting data. Some of these views perform slowly. You create indexes on those views to increase performance， while still maintaining the company’s security policy. One of the views returns the current date as one of the columns. The view returns the current date by using the GETDATE（） function. This view does not allow you to create an index. You need to create an index on the view. Which two actions should you perform？（）

    • A、Remove all deterministic function calls from within the view.
    • B、Remove all nondeterministic function calls from within the view.
    • C、Schema-bind all functions that are called from within the view.
    • D、Create the view and specify the WITH CHECK OPTION clause.

    正确答案:B,C

  • 第19题：

    单选题
    You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was create.) How do you obtain the definition of the view?（）
    A

    Use the DESCRIBE command in the EMP_DEPT VU view.

    B

    Use the DEFINE VIEW command on the EMP_DEPT VU view.

    C

    Use the DESCRIBE VIEW command on the EMP_DEPT VU view.

    D

    Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.

    E

    Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.

    F

    Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements about views are true?（）
    A

    A view can be created as read only.

    B

    A view can be created as a join on two or more tables.

    C

    A view cannot have an ORDER BY clause in the SELECT statement.

    D

    A view cannot be created with a GROUP BY clause in the SELECT statement.

    E

    A view must have aliases defined for the column names in the SELECT statement.


    正确答案： D,E
    解析： 暂无解析

  • 第21题：

    多选题
    Your company uses SQL Server 2005. You are implementing a series of views that are used in ad hoc queries. The views are used to enforce your companys security policy of abstracting data.  Some of these views perform slowly. You create indexes on those views to increase performance, while still maintaining the companys security policy. One of the views returns the current date as one of the columns. The view returns the current date by using the GETDATE（　） function. This view does not allow you to create an index. You need to create an index on the view.  Which two actions should you perform?（）
    A

    Remove all deterministic function calls from within the view.

    B

    Remove all nondeterministic function calls from within the view.

    C

    Schema-bind all functions that are called from within the view.

    D

    Create the view and specify the WITH CHECK OPTION clause.


    正确答案： D,C
    解析： 暂无解析

  • 第22题：

    单选题
    Which SQL statement would you use to remove a view called EMP_DEPT_VU from your schema?（）
    A

    DROP emp_dept_uv;

    B

    DELETE emp_dept_uv;

    C

    REMOVE emp_dept_uv;

    D

    DROP VIEW emp_dept_uv;

    E

    DELETE VIEW emp_dept_uv;

    F

    REMOVE VIEW emp_dept_uv;


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    You are an enterprise administrator for Cer-tech .com. All the servers on the network run Windows Server2008. The network consists of a server called Server01 on which Windows SharePoint Services （WSS） roleis installed. A group of users need to access the WSS server. However， you want to restrict the users toview items， open items， and view versions on the WSS server. To accomplish this task， you created agroup called SPUsers that will access content on the WSS server. Which of the following permissionswould you configure for the SPUsers group to restrict the permissions of the group to viewing items，opening items，and viewing versions？（）
    A

    Limited Access

    B

    Design

    C

    Read

    D

    Contribute


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    You are listening to a radio phone-in programme. Why has the woman called?    
    A

    To criticise the famous.

    B

    To express a different point of view.

    C

    To sympathise with photographers.


    正确答案： A
    解析： 女士的第一句话Well, I can’t believe what your last caller said.明显提示，针对对名人私生活的报道，她与上一位打电话的听众持不同的观点，接下来提到她认为名人的隐私也应该得到尊重。
    【录音原文】
    M: Ok, Mary from Glasgow, go ahead, make your point.
    W: Well, I can’t believe what your last caller said. How would she like it if she was on the beach and some photographer stuck his camera in her face? I mean…
    M: But these people are famous. They must expect it, surely.
    W: Yes, but not all the time. Not when they are not on duty, so to speak. Everybody on your program seems to think these photographers can do anything. But I just want to set the record straight, I don’t. There should be some respect for people’s privacy.
    Q: You are listening to a radio phone-in progrmmne. Why has the woman called?

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