- 找到pms_product表中out_product_id字段重复的
select out_product_id,count(*) as count from pms_product group by out_product_id having count>1;
- 找到pms_product表中out_product_id字段重复的并删除重复的数据留id最小的一个值
DELETE FROM pms_product
WHERE
id NOT IN (SELECT
dt.minno
FROM
(SELECT
MIN(id) AS minno
FROM
pms_product
GROUP BY out_product_id) dt);
使用语法in循环删除
DELETE FROM pms_product WHERE id IN(57840,
57842)
删除id在某个区间的数据
delete from pms_product where id>=57319 AND id<=6000