問題詳情

36)“查詢选修了 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 GROUPBY S# HAVING COUNT *)>3
(C)SELECT S# FROM SC ORDERBY S# HAVING COUNT *)>3
(D)SELECT S# FROM SC ORDER BY S# WHERE COUNT *)>3

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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