摘要: select * from test1 t where not exists(select 1 from test1 where BranchId=t.BranchId and Age> t.Age) 阅读全文
posted @ 2022-05-31 16:05 人菜话多帅瓜皮 阅读(532) 评论(0) 推荐(0) 编辑