摘要: 删除重复行,按照某列 DELETE s1 FROM filter_md5 AS s1 INNER JOIN filter_md5 AS s2 WHERE s1.fm_id < s2.fm_id AND s1.md5 = s2.md5; 给一个表添加 unique key alter table fi 阅读全文
posted @ 2022-11-08 20:42 NorseLZJ 阅读(46) 评论(0) 推荐(0) 编辑