单选题Which cannot be done through the outline view？（）A Change the HTML IDB Delete an elementC Have every applicable view navigate to the selected itemD Changerearrange objects

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单选题

Which cannot be done through the outline view？（）

Change the HTML ID

Delete an element

Have every applicable view navigate to the selected item

Changerearrange objects

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第1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.

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第2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.

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第3题

多选题Which two statements about views are true?（）AA view can be created as read only.BA view can be created as a join on two or more tables.CA view cannot have an ORDER BY clause in the SELECT statement.DA view cannot be created with a GROUP BY clause in the SELECT statement.EA view must have aliases defined for the column names in the SELECT statement.

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第4题

单选题The EMP_DEPT block in your EMPLOYEE form is based on a view in an Oracle8 database. The items in this block have the Update Allowed property set to Yes. Which database feature makes it possible to permanently modify the underlying view?（）A REF cursor. B Instead Of trigger. C Stored procedure that returns object values. D The underlying view cannot be modified because DML on a view is not supported.

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第5题

单选题Which cannot be done through the outline view？（）A Change the HTML IDB Delete an elementC Have every applicable view navigate to the selected itemD Changerearrange objects

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第6题

多选题Which two statements are true regarding views?（）AA subquery that defines a view cannot include the GROUP BY clauseBA view that is created with the subquery having the DISTINCT keyword can be updatedCA view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updatedDA 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

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第7题

单选题You want to use WLST to view metrics for a running domain. Which command should you issue to navigate through the Mbean hierarchy containing the metrics?（）A runtime () B runtimeMbeanServer ()C connectRuntime ()D beginRuntime ()E serverRuntime ()

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单选题Which cannot be done through the outline view？（）A Change the HTML IDB Delete an elementC Have every applicable view navigate to the selected itemD Changerearrange objects

题目内容(请给出正确答案)

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