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;

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第6题：

在SQL中，视图的删除可以用（）。

• A、DELETE TABLE命令
• B、DROP TABLE命令
• C、DELETE VIEW命令
• D、DROP VIEW命令

第7题：

Which version of a view would you use if you just want a quick， easy view within your XPage？（）

• A、Data Table Control
• B、View Control
• C、Repeat Control
• D、Filter by category View Control

第8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.

第9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.

第10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.

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第18题：

删除视图myview的命令是（）

• A、DELETE myview
• B、DROP VIEW myview
• C、DELETE myview VIEW
• D、DROP myview VIEW

第19题：

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.

第20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.

第21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;

第22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.

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