select max (Classification_Names) FROM Classification
这条语句查询不到。 只能查询10条数据以内的最大值 求高手帮帮忙
------解决方案-------------------- select top 1 Classification_Names FROM Classification order by Classification_Names desc
------解决方案-------------------- varchar类型比较大小的原则是逐位比较字符的asc码..