- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
下面哪條語(yǔ)句可以取出薪水最高的前三個(gè)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；
