摘要: -- sql server分组排序取出每组顺序第一条 select * from ( select *,row_number() over(partition by bloodbag_id order by operation_date desc) rn from tt_blood_log )t w 阅读全文
posted @ 2023-09-26 15:32 一隅桥畔 阅读(463) 评论(0) 推荐(0)