mysql删除重复数据保留最新一条数据

DELETE FROM tb
WHERE id not IN (
	SELECT max_id FROM (
		SELECT max(id) max_id
		FROM tb
		GROUP BY column_1,column_2,...colums
	) temp
)

posted on 2024-04-23 11:10  luyifo  阅读(40)  评论(0)    收藏  举报

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