09 2021 档案

摘要:-- 删除多余的重复记录(多个字段),只保留最小id的记录 SELECT * FROM logistics_info_new WHERE id IN ( SELECT stu_repeat_copy.id FROM ( SELECT id FROM logistics_info_new WHERE 阅读全文
posted @ 2021-09-14 17:04 IT_小树 阅读(74) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2021-09-03 16:08 IT_小树 阅读(331) 评论(0) 推荐(0)