表结构 （姓名，课程，成绩） 现在求获的该表总成绩最高学员的名字
mysql 数据库select sum(成绩) as t from table group by 姓名 order by t limit 0,1
oracle数据库 select * from （select sum(成绩) as t from table group by 姓名 order by t） WHERE ROWNUM<=1
sqlserver数据库 select top 1 sum(成绩) as t from table group by 姓名 order by t
select top 1 sum(成绩) as t from table group by 姓名 order by t
select sum(score) as s from table group by name order by s limit 1
select top 1 Name from TableName order by Grade desc;
或者
select Name from TableName order by Grade limit 1;
select top 1 Name from TableName order by Grade desc
select top 1 sum(成绩) as t from table group by 姓名 order by t
select sum(score) score1 from 表名 group by 名字 order by score1 desc limit 1;
谢谢你们 ，你们太好鸟
select top 1 sum(成绩) as t from table group by 姓名 order by t