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关于数据库数据转移的问题,求各位解答下
2022-07-07 02:44:00 【CSDN问答】
通过聚合函数得到这样的查询效果是没问题的,我想将这样的查询效果保存到新的表当中,但是目前user_id有1000+,,总共数据记录有2w+,尝试过写for循环,数据量少的话,可以成功保存,但是数据量太大,保存不过去,出现的数据有问题,不准确。请各位全栈工程师指点下,跪蟹

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