查询语句中 错误的是()。A. SELECT Sno COUNT(*) FROM SC GROUP BY SnoB. SELECT Sno FROM S
语句,错误
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查询语句中,错误的是()。
A. SELECT Sno, COUNT(*) FROM SC GROUP BY Sno
B. SELECT Sno FROM SC GROUP BY Sno WHERE COUNT(*) >3
C. SELECT Sno FROM SC GROUP BY Sno HAVING COUNT(*) >3
D. SELECT Sno FROM SC GROUP BY Sno
