摘要: select * from table1 a where b=(select max(b) from table1 where a=a.a)select jy_version, member_id from mid owhere o.jy_version =(select max(p.jy_vers... 阅读全文
posted @ 2014-06-13 11:32 gavinage 阅读(775) 评论(0) 推荐(0) 编辑