itgle.com

单选题What does the FORCE option for creating a view do? （）A creates a view with constraintsB creates a view even if the underlying parent table has constraintsC creates a view in another schema even if you don't have privilegesD creates a view regardless of

题目
单选题
What does the FORCE option for creating a view do? （）
A

creates a view with constraints

B

creates a view even if the underlying parent table has constraints

C

creates a view in another schema even if you don't have privileges

D

creates a view regardless of whether or not the base tables exist

相似考题

1.What is true about updates through a view? ()A. You cannot update a view with group functions.B. When you update a view group functions are automatically computed.C. When you update a view only the constraints on the underlying table will be in effect.D. When you update a view the constraints on the views always override the constraints on the underlying tables.

2.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.

3.What is necessary for your query on an existing view to execute successfully? ()A. The underlying tables must have data.B. You need SELECT privileges on the view.C. The underlying tables must be in the same schema.D. You need SELECT privileges only on the underlying tables.

4.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.

更多“单选题What does the FORCE option for creating a view do? （）A creates a view with constraintsB creates a view even if the underlying parent table has constraintsC creates a view in another schema even if you don't have privilegesD creates a view regardless of”相关问题

  • 第1题：

    You are responsible for maintaining a SQL Server 2005 database. Business analysts in the company routinely use a view named v CustomerSales to join the Customers and Sales tables in the database. They use the view to aggregate total sales by customer by month. You need to increase the performance of the view. What should you do？（）

    • A、Update the view to use an outer join between the Customers and Sales tables.
    • B、Create a clustered index on the v CustomerSales view.
    • C、Create two separate views that do not contain any joinsone view named Customers for the Customers table and another one named v Sales for the Sales table.
    • D、Create a stored procedure for the business analysts that uses the v CustomerSales view.

    正确答案:B

  • 第2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

    正确答案:B

  • 第3题：

    What is necessary for your query on an existing view to execute successfully? （）

    • A、The underlying tables must have data.
    • B、You need SELECT privileges on the view.
    • C、The underlying tables must be in the same schema.
    • D、You need SELECT privileges only on the underlying tables.

    正确答案:B

  • 第4题：

    What does the FORCE option for creating a view do?（）

    • A、creates a view with constraints
    • B、creates a view even if the underlying parent table has constraints
    • C、creates a view in another schema even if you don't have privileges
    • D、creates a view regardless of whether or not the base tables exist

    正确答案:D

  • 第5题：

    Consider the following statement：   SQL> EXECUTE DBMS_STATS.GATHER_SHEMA_STATS （-  2> ownname => ‘OE’， -  3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE， -  4> method opt => ‘for all columns size AUTO’）；   What is the effect of ‘for all columns size AUTO’ of the METHOD_OPT option？（）

    • A、The Oracle server creates a new histogram based on existing histogram definitions for all table, column, and index statistics for the OE schema. 
    • B、The Oracle server creates a histogram based on data distribution regardless of how the application uses the column/s for all table, column, and index statistics for the OE schema.
    • C、The Oracle server creates a histogram based on data and application usage of the column/s for all table, column, and index statistics for the OE schema. 
    • D、The Oracle server creates a histogram based on application usage, regardless of data distribution, for all table, column, and index statistics for the OE schema.

    正确答案:C

  • 第6题：

    单选题
    What does the FORCE option for creating a view do? （）
    A

    creates a view with constraints

    B

    creates a view even if the underlying parent table has constraints

    C

    creates a view in another schema even if you don't have privileges

    D

    creates a view regardless of whether or not the base tables exist


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    You design a Business Intelligence （BI） solution by using SQL Server 2008. You design a SQL Server 2008 Analysis Services （SSAS） solution. Customer data is stored in the tables named CustomerDetails and CustomerContact. The solution uses the following two data sources from two different servers： ·Contoso that accesses the CustomerDetails table ·ContosoCRM that accesses the CustomerContact table You plan to create a dimension named DimCustomer to analyze customer data. You need to ensure that the DimCustomer dimension represents the tables as a snowflake schema to include attributes from the two tables. What should you do？（）
    A

     Create a data source view named DsvContoso that is associated with the two data sources and add the tables to the data source view.

    B

     Create a data source view named DsvContoso that is associated with the two data sources and create a named query in the data source view to merge the tables.

    C

     Create a data source view named DsvCustomer that is associated with the Contoso data source and add the CustomerDetails table to the data source view.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and add the CustomerContact table to the data source view.

    D

     Create a data source view named DsvCustomer that is associated with the Contoso data source and create a named query in the data source view to select data from the CustomerDetails table.Create a data source view named DsvCustomerContact that is associated with the ContosoCRM data source and create a named query in the data source view to select data from the CustomerContact table.


    正确答案： D
    解析： 暂无解析

  • 第8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： C
    解析： 暂无解析

  • 第9题：

    单选题
    The HR user creates a view with this command：  SQL> CREATE VIEW emp_v AS SELECT * FROM scott.emp；  Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user.  Which statement is true in this scenario？（）
    A

    HR can grant the privilege to JIM but without GRANT OPTION.

    B

    HR can grant the privilege to JIM because HR is the owner of the view.

    C

    SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.

    D

    HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    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


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    You are creating a view to join the Customers and Orders tables in a SQL Server 2005 database. You need to ensure that the view cannot be affected by modifications to underlying table schemas. You want to accomplish this goal by using the least possible amount of overhead. What should you do?（）
    A

    Create CHECK constraints on the tables. 

    B

    Create a DDL trigger to roll back any changes to the tables if the changes affect the columns in the view. 

    C

    Create the view, specifying the WITH SCHEMABINDING option. 

    D

    Create the view, specifying the WITH CHECK option. 


    正确答案： C
    解析： 暂无解析

  • 第12题：

    You have a server that runs Windows Server 2003 Service Pack 2 （SP2） and Windows Server Update Services （WSUS） 3.0. You need to view the approved WSUS updates that have been superseded by newer updates. You want to achieve this goal by using the minimum amount of administrative effort.  What should do you do？（）

    • A、View the WindowsUpdate.log file.
    • B、Create a new log view in Event Viewer.
    • C、From Update Services， view the WSUS Updates update view.
    • D、From Update Services， run an Update Status Summary report.

    正确答案:C

  • 第13题：

    The HR user creates a view with this command：  SQL> CREATE VIEW emp_v AS SELECT * FROM scott.emp；  Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user.  Which statement is true in this scenario？（）

    • A、HR can grant the privilege to JIM but without GRANT OPTION.
    • B、HR can grant the privilege to JIM because HR is the owner of the view.
    • C、SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.
    • D、HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.

    正确答案:D

  • 第14题：

    What is true about updates through a view? （）

    • A、You cannot update a view with group functions.
    • B、When you update a view group functions are automatically computed.
    • C、When you update a view only the constraints on the underlying table will be in effect.
    • D、When you update a view the constraints on the views always override the constraints on the underlying tables.

    正确答案:A

  • 第15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16题：

    You are creating a view to join the Customers and Orders tables in a SQL Server 2005 database. You need to ensure that the view cannot be affected by modifications to underlying table schemas. You want to accomplish this goal by using the least possible amount of overhead. What should you do?（）

    • A、Create CHECK constraints on the tables. 
    • B、Create a DDL trigger to roll back any changes to the tables if the changes affect the columns in the view. 
    • C、Create the view, specifying the WITH SCHEMABINDING option. 
    • D、Create the view, specifying the WITH CHECK option. 

    正确答案:C

  • 第17题：

    单选题
    You are responsible for maintaining a SQL Server 2005 database. Business analysts in the company routinely use a view named v CustomerSales to join the Customers and Sales tables in the database. They use the view to aggregate total sales by customer by month. You need to increase the performance of the view. What should you do？（）
    A

    Update the view to use an outer join between the Customers and Sales tables.

    B

    Create a clustered index on the v CustomerSales view.

    C

    Create two separate views that do not contain any joinsone view named Customers for the Customers table and another one named v Sales for the Sales table.

    D

    Create a stored procedure for the business analysts that uses the v CustomerSales view.


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    The ADMIN_EMP table has columns EMPNO， ENAME， DEPTNO， and SAL. It has a materialized view EMP_MV with a materialized log and an ENAME_IDX index on the ENAME column. You need to perform an online table redefinition on the ADMIN_EMP table to move it from the TBS1 tablespace to the TBS2 tablespace in the same schema.  What action is required for the dependent objects when you perform online redefinition on the table？（）
    A

     The materialized view should have a complete refresh performed after the online table redefinition is completed.

    B

     The materialized view should have a fast refresh performed after the online table redefinition is completed.

    C

     The materialized view，materialized log，and the index should be dropped and re-created after the online table redefinition is complete.

    D

     The materialized view and materialized log should be dropped and all constraints disabled and re-created after the online table redefinition is complete.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    What is true about updates through a view?（）
    A

    You cannot update a view with group functions.

    B

    When you update a view group functions are automatically computed.

    C

    When you update a view only the constraints on the underlying table will be in effect.

    D

    When you update a view the constraints on the views always override the constraints on the underlying tables.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    What is necessary for your query on an existing view to execute successfully?（）
    A

    The underlying tables must have data.

    B

    You need SELECT privileges on the view.

    C

    The underlying tables must be in the same schema.

    D

    You need SELECT privileges only on the underlying tables.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Consider the following statement：   SQL> EXECUTE DBMS_STATS.GATHER_SHEMA_STATS （-  2> ownname => ‘OE’， -  3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE， -  4> method opt => ‘for all columns size AUTO’）；   What is the effect of ‘for all columns size AUTO’ of the METHOD_OPT option？（）
    A

    The Oracle server creates a new histogram based on existing histogram definitions for all table, column, and index statistics for the OE schema. 

    B

    The Oracle server creates a histogram based on data distribution regardless of how the application uses the column/s for all table, column, and index statistics for the OE schema.

    C

    The Oracle server creates a histogram based on data and application usage of the column/s for all table, column, and index statistics for the OE schema. 

    D

    The Oracle server creates a histogram based on application usage, regardless of data distribution, for all table, column, and index statistics for the OE schema.


    正确答案： D
    解析： 暂无解析

  • 第22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： D
    解析： 暂无解析

相关内容