下面哪条语句可以取出薪水最高的前三个人：（）<br>A:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY ）；<br>B:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY ） WHERE ROWNUM<=3；<br>C:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY DESC） WHERE ROWNUM<=3；<br>D:SELECT * FROM EMPLOYEES WHERE ROWNUM<=3 ORDER BY SALARY DESC；

下面哪条语句可以取出薪水最高的前三个人：（）
A:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY ）；
B:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY ） WHERE ROWNUM<=3；
C:SELECT * FROM （SELECT * FROM EMPLOYEES ORDER BY SALARY DESC） WHERE ROWNUM<=3；
D:SELECT * FROM EMPLOYEES WHERE ROWNUM<=3 ORDER BY SALARY DESC；

出自：计算机科学

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