數(shù)據(jù)庫應用數(shù)據(jù)庫基礎與應用-0018(浙江電大-課程號：3306805)參考資料-資料下載頁
2025-04-15 02:41本頁面
【正文】 udentB、Select count (S_ID) as 學生數(shù) From StudentC、Select max(S_ID) as 學生數(shù) From StudentD、Select avg(S_ID) as 學生數(shù) From Student列出學生少于6人的系名。A、Select depart as 系別, count(*) as 人數(shù)From StudentGroup by departHaving count (*) amp。lt 6B、Select depart as 系別, count(*) as 人數(shù)From StudentHaving count (*) amp。lt 6C、Select depart as 系別, count(*) as 人數(shù)From Studentwhere count (*) amp。lt 6D、Select depart as 系別, count(*) as 人數(shù)From Studentorder by departHaving count (*) amp。lt 6在 Course 表中找出學分大于3并且小于5的課程。A、Select * From Course Where credit amp。gt 3 or credit amp。lt 5B、Select * From Course Where credit amp。gt 3 and credit amp。lt 5C、Select * From Course Where credit amp。gt =3 or credit =amp。lt 5D、Select * From Course Where credit amp。gt =3 and credit =amp。lt 5在 Student 表中求出每個系別的人數(shù)。A、Select depart as 系名,count (*)as 人數(shù) From Student order by departB、Select depart as 系名,count (*)as 人數(shù) From Student group by snameC、Select depart as 系名,count (*)as 人數(shù) From Student group by departD、Select depart as 系名,sum(*)as 人數(shù) From Student group by depart參考答案：12345 16 / 16
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