mysql过滤重复项留下最新项

时间:2021-01-13 11:17:42   收藏:0   阅读:0
SELECT
    *
FROM
    carregisterinfo a
WHERE
    (a.plate) IN (
        SELECT
            plate
        FROM
            carregisterinfo
        GROUP BY
            plate
        HAVING
            count(*) >= 1
    )
AND id  IN (
    SELECT
        max(id)
    FROM
        carregisterinfo
    GROUP BY
        plate
    HAVING
        count(*) >= 1
)

技术图片

 原表数据如下:

技术图片

 

评论(0
© 2014 mamicode.com 版权所有 京ICP备13008772号-2  联系我们:gaon5@hotmail.com
迷上了代码!