题目详情
单选题 若要求"查询选修了3门以上课程的学生的学号",正确的SQL语句是( )
A. SELECT sNo FROM SC ORDER BY sNo HAVING COUNT(*)> 3
B. SELECT sNo FROM SC GROUP BY sNo WHERE COUNT(*)> 3
C. SELECT sNo FROM SC ORDER BY sNo WHERE COUNT(*)> 3
D. SELECT sNo FROM SC GROUP BY sNo HAVING COUNT(*)> 3

学科:数据库技术与应用
时间:2024-06-11 07:10:45
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