VF group by 总是语法错误建立一个菜单里面求平均成绩的过程set talk offopen database scoreselect score.课程名,avg(score1.成绩)平均成绩;from score!course inner join score!score1group by course.课程名;order by course.课

VF group by 总是语法错误建立一个菜单里面求平均成绩的过程set talk offopen database scoreselect score.课程名,avg(score1.成绩)平均成绩;from score!course inner join score!score1group by course.课程名;order by course.课 vf显示语法错误输入很多次,总是显示语法错误,求高手出手相助, GROUP 附近有语法错误SELECT TOP 5 * FROM CPOE_BRSYK WHERE KSDM=201 AND BRZT=0ORDER BY RYRQ GROUP BY BQDM group by group的意思 vf中当题目问什么时用分组group by,问什么时用order by就是我不会（从题目的意思）!判断什么时候用group by（分组）什么时候用order by（排序）,我快要参加·vf考试了.大家帮忙啊叫我怎么从题目 在关键字 'group' 附近有语法错误.select sname from s,scwhere s.sno = sc.snoand sc.grade = nullhaving count(*) >= 2group by sc.sno vf里面语法错误是什么sele 菜系,菜名,市场价 from 菜品,where 菜系=allt(thisform.textone.value),order by 市场价 desc into table tb VF 语法错误在modify command里clearinput 数量： = slinput 单价： = djje=sl*djif sl>=50je=je*(1-5/100)endif应付金额=:+str(je,8,2)cancel总是提示我语法错误 vf中的order by 3 desc vf order by 和 group by 的区别? Directed by you group是什么意思.答案越多越好. 想知道group by的具体用法 by working with a group是什么意思. group by zuozhebianhao having count(*)>=3 group by(A+B)和group by A,B 的区别? SQL2005 报错 在关键字'group' 附近有语法错误select a,b,sum(x) from (select a,b,'1' as x from aaaunion allselect a,b,'-1' as x from bbb)group by a,b改成下面这样还是同样报错：select a,b,sum(x) from (select a,b,'1' as x from aaa 在VF中怎么利用index命令为表建立普通索引?