问题详情

若要求“查询选修了3门以上课程的学生的学生号”,正确的SQL语句是

A.SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)> 3

B.SELECT S# FROM SC GROUP BY S# HAVING COUNT(*)> 3

C.SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)> 3

D.SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)> 3

参考答案
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