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【单选题】

You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?()

A、ALTER TABLE students ADD PRIMARY KEY student_id;

B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id);

C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);

D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);

更多“You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?()”相关的问题
第1题

A、needn't to come  B、don't need come  C、don't need coming  D、needn't come  

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第2题

A、A. Update the service reference with the Generate asynchronous operations option.  B、B. Create a partial class for the previously generated proxy and include the new asynchronous methods.  C、C. Create a class with the same name as the previously generated proxy and add the new asynchronous methods. Add the new class to a namespace that is different from the original proxy.  D、D. Create a class with the same name as the previously generated proxy and add the new asynchronous methods as partial methods. Add the new class to a namespace that is different from the original proxy.  

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第3题

A、A. Export the query results to a comma-delimited file. Use a CSVDE script to modify the password property of each user account.  B、B. From the Results pane of the query, select all user accounts and modify their password properties simultaneously.  C、C. Export the query results to a comma-delimited file. Use an LDIFDE script to modify the password property of each user account.  D、D. From the Results pane of the query, select each user account and modify the password property, one by one.  

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第4题

A、Export the query results to a comma-delimited file. Use a CSVDE script to modify the password property of each user account.  B、From the Results pane of the query, select all user accounts and modify their password properties simultaneously.  C、Export the query results to a comma-delimited file. Use an LDIFDE script to modify the password property of each user account.  D、From the Results pane of the query, select each user account and modify the password property, one by one.  

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第7题

A、Modify the application settings by using the Web Site Administration Tool.  B、Modify the application settings by using the Visual Studio property page editor for the project.  C、Modify the application settings by using the resource editor.  D、Modify the application settings by using the Visual Studio start options editor.  

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第8题

A、Modify the application settings by using the Web Site Administration Tool.  B、Modify the application settings by using the Visual Studio property page editor for the project.  C、Modify the application settings by using the resource editor.  D、Modify the application settings by using the Visual Studio start options editor.  

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第9题

A、Modify the application settings by using the Web Site Administration Tool.  B、Modify the application settings by using the Visual Studio property page editor for the project.  C、Modify the application settings by using the resource editor.  D、Modify the application settings by using the Visual Studio start options editor.  

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第10题

A、Modify the quota template.  B、Delete and recreate the quota template.  C、Create a new quota template. Modify the quota for each folder.  D、Create a file screen template. Apply the file screen template to the root of the volume that contains the folders.  

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