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【单选题】

Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.<br /> You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use?()<img src="https://nimg.ppkao.com/2018-08/zhangxu/2018080111484519157.jpg?sign=f452fbba9ea501735c85da43e5a7c644&t=62d33005" />

A、SELECT last_name, department_name FROM employees NATURAL JOIN departments;

B、SELECT last_name, department_name FROM employees JOIN departments ;

C、SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id);

D、SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id); 

E、SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id);

F、SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);

更多“ Click the Exhibit button and examine the data in the EMPLOYEES and DEPARTMENTS tables.<br /> You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use?()<img src="https://nimg.ppkao.com/2018-08/zhangxu/2018080111484519157.jpg?sign=f452fbba9ea501735c85da43e5a7c644&t=62d33005" />”相关的问题
第3题

A、A.Value is: 8&nbsp;&nbsp;BB.Compilation fails.&nbsp;&nbsp;C、C.Value is: 12&nbsp;&nbsp;D、D.Value is: -12&nbsp;&nbsp;E、E.The code runs with no output.&nbsp;&nbsp;F、F.An exception is thrown at runtime.&nbsp;&nbsp;

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第4题

A、1+0&nbsp;&nbsp;B、1+1&nbsp;&nbsp;C、1:1&nbsp;&nbsp;D、1:N&nbsp;&nbsp;

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第5题

A、300-100-100-100-100&nbsp;&nbsp;B、300-300-100-100-100&nbsp;&nbsp;C、300-300-300-100-100&nbsp;&nbsp;D、300-300-300-300-100&nbsp;&nbsp;

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第6题

A、A.Compilation will succeed for all classes and interfaces.&nbsp;&nbsp;BB.Compilation of class C will fail because of an error in line 2.&nbsp;&nbsp;C、C.Compilation of class C will fail because of an error in line 6.&nbsp;&nbsp;D、D.Compilation of class AImpl will fail because of an error in line 2&nbsp;&nbsp;

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第7题

A、A. Telnet is not being permitted by self policy.&nbsp;&nbsp;BB. Telnet is not being permitted by security policy.&nbsp;&nbsp;C、C. Telnet is not allowed because it is not considered secure.&nbsp;&nbsp;D、D. Telnet is not enabled as a host-inbound service on the zone&nbsp;&nbsp;

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第8题

A、0.947 Mbps&nbsp;&nbsp;B、3.000 Mbps&nbsp;&nbsp;C、4.065 Mbps&nbsp;&nbsp;D、282.058 Mbps&nbsp;&nbsp;

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第9题

A、0.947 Mbps&nbsp;&nbsp;B、3.000 Mbps&nbsp;&nbsp;C、4.065 Mbps&nbsp;&nbsp;D、282.058 Mbps&nbsp;&nbsp;

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第10题

A、Right-click the connection, and click Properties. Modify the Provider property of the data connection.&nbsp;&nbsp;BClick the Change button, and change the data provider for the selected data source.&nbsp;&nbsp;C、Click the Advanced button, and change the Data Source property to the target provider.&nbsp;&nbsp;D、Click the Advanced button, and change the Application Name property to the target provider.&nbsp;&nbsp;

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