單項(xiàng)選擇題高級(jí)語言屬于第幾代計(jì)算機(jī)語言()

A.第一代
B.第二代
C.第三代
D.第四代


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2.單項(xiàng)選擇題下列利用SC表的查詢語句中,錯(cuò)誤的是()

A.SELECT Sno,COUNT(*)FROM SC GROUP BY Sno
B.SELECT Sno FROM SC GROUP BY Sno HAVING COUNT(*)>3
C.SELECT Sno FROM SC GROUP BY Sno WHERE COUNT(*)>3
D.SELECT Sno FROM SC GROUP BY Sno