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ocp题库怎么背:11g-051-V9.02-第186题

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ocp题库怎么背:11g-051-V9.02-第186题,完整题库请点击这里联系老师咨询了解

186.Evaluate this SQL statement:

SELECT e.emp_name, d.dept_name FROM employees e JOIN departments d

USING (department_id) WHERE d.department_id NOT IN (10,40) ORDER BY dept_name;

The statement fails when executed. Which change fixes the error?

A. remove the ORDER BY clause

B. remove the table alias prefix from the WHERE clause

C. remove the table alias from the SELECT clause

D. prefix the column in the USING clause with the table alias

E. prefix the column in the ORDER BY clause with the table alias

F. replace the condition ”d.department_id NOT IN (10,40)” in the WHERE clause with ”d.department_id <> 10 AND d.department_id <> 40”

Answer: C,E

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