UC知道WHERE S.Sno=SC.Sno AND Cname!="数据结构"GROUP BY Sname HAVING AVG(Grade)>80
来源：百度知道 编辑：UC知道 时间：2024/05/14 07:54:04
里面的"S.Sno=SC.Sno "是什么意思
还有"GROUP BY Sname HAVING AVG(Grade)>80
还有"GROUP BY Sname HAVING AVG(Grade)>80
这是计算机编程里的句子吧，应该关于是SQL查询的
"S.Sno=SC.Sno "是指满足S.表下的SNO的值等于SC.表下SNO的值条件
"GROUP BY Sname HAVING AVG(Grade)>80是指满足平均成绩大于80条件的记录按照Sname列进行分组。
WHERE S.Sno=SC.Sno AND Cname!="数据结构"GROUP BY Sname HAVING AVG(Grade)>80
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