摘要：
AAABBACCB结果：A 3B 2A 1C 2B 2解决方法：if object_id('[tb]') is not null drop table [tb]gocreate table [tb]([col] varchar(1))insert [tb]select 'A' union allselect 'A' union allselect 'A' union allselect 'B' union allselect 'B' union allselect 'A' union 阅读全文
posted @ 2011-10-05 13:27 bug yang 阅读(454) 评论(0) 推荐(0) 编辑