设有如下代码段: Dim m,n As Integer For n=1 to 20 If n mod 3 <> 0 Then m = m + n 尀 3 Next n 程序
2024-12-25 19:47:44
推荐回答(4个)
回答1:
select time,name,english,chinese,math from stu a where (name,englis,chinese,time) in ( select name,englis,chinese,max(time) from stu group by name,englis,chinese ); 可否。