你得分三个字段 来分别储蓄市区名、字母、数字然后语句用多字段的排序select projectno from dual order by 市区名、字母、数字 asc
select projectno from dual order by substring(projectno ,1,2) asc ,substring(projectno ,3,6) asc ,substring(projectno ,9,2) asc
select projectno from dual order by 市区名,文件名